NUM

715e_7972

Glucose
Volume	450 mL
Concentration	12% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 450 mL of a 12% (w/v) Glucose solution?

Note: answers need to be within 2% of the correct number to be correct.

54.00000000 0.90000000 NUM

89cd_7723

Valine
Volume	80 mL
Concentration	20% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 80 mL of a 20% (w/v) Valine solution?

Note: answers need to be within 6% of the correct number to be correct.

16.00000000 0.90000000 NUM

d159_9d67

Valine
Volume	20 mL
Concentration	20% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 20 mL of a 20% (w/v) Valine solution?

Note: answers need to be within 23% of the correct number to be correct.

4.00000000 0.90000000 NUM

1e1f_cd55

Monosodium phosphate (NaH₂PO₄)
Volume	80 mL
Concentration	40% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 80 mL of a 40% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 3% of the correct number to be correct.

32.00000000 0.90000000 NUM

01cb_30c3

Magnesium chloride (MgCl₂)
Volume	450 mL
Concentration	14% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 450 mL of a 14% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

63.00000000 0.90000000 NUM

63ff_59ff

Ethylenediaminetetraacetic acid (EDTA)
Volume	20 mL
Concentration	40% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 20 mL of a 40% (w/v) EDTA solution?

Note: answers need to be within 12% of the correct number to be correct.

8.00000000 0.90000000 NUM

468f_3afa

Valine
Volume	20 mL
Concentration	70% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 20 mL of a 70% (w/v) Valine solution?

Note: answers need to be within 7% of the correct number to be correct.

14.00000000 0.90000000 NUM

d000_30c3

Magnesium sulfate (MgSO₄)
Volume	90 mL
Concentration	70% (w/v)
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium sulfate (MgSO₄) you would need to make 90 mL of a 70% (w/v) MgSO₄ solution?

Note: answers need to be within 2% of the correct number to be correct.

63.00000000 0.90000000 NUM

d9df_36ba

Magnesium chloride (MgCl₂)
Volume	400 mL
Concentration	20% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 400 mL of a 20% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

80.00000000 0.90000000 NUM

4802_860d

Glucose
Volume	40 mL
Concentration	45% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 40 mL of a 45% (w/v) Glucose solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

80c3_cd55

Sodium chloride (NaCl)
Volume	80 mL
Concentration	40% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 80 mL of a 40% (w/v) NaCl solution?

Note: answers need to be within 3% of the correct number to be correct.

32.00000000 0.90000000 NUM

ab04_3afa

Cysteine
Volume	350 mL
Concentration	4% (w/v)
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many grams (g) of cysteine (Cysteine) you would need to make 350 mL of a 4% (w/v) Cysteine solution?

Note: answers need to be within 7% of the correct number to be correct.

14.00000000 0.90000000 NUM

f49e_36ba

Magnesium chloride (MgCl₂)
Volume	100 mL
Concentration	80% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 100 mL of a 80% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

80.00000000 0.90000000 NUM

8b0c_906e

Ethylenediaminetetraacetic acid (EDTA)
Volume	100 mL
Concentration	20% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 100 mL of a 20% (w/v) EDTA solution?

Note: answers need to be within 5% of the correct number to be correct.

20.00000000 0.90000000 NUM

da0f_7972

Sodium chloride (NaCl)
Volume	120 mL
Concentration	45% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 120 mL of a 45% (w/v) NaCl solution?

Note: answers need to be within 2% of the correct number to be correct.

54.00000000 0.90000000 NUM

c708_e8f9

Magnesium chloride (MgCl₂)
Volume	30 mL
Concentration	90% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 30 mL of a 90% (w/v) MgCl₂ solution?

Note: answers need to be within 4% of the correct number to be correct.

27.00000000 0.90000000 NUM

4fcd_3e92

Valine
Volume	30 mL
Concentration	70% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 30 mL of a 70% (w/v) Valine solution?

Note: answers need to be within 5% of the correct number to be correct.

21.00000000 0.90000000 NUM

922d_ec91

Glucose
Volume	50 mL
Concentration	24% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 50 mL of a 24% (w/v) Glucose solution?

Note: answers need to be within 8% of the correct number to be correct.

12.00000000 0.90000000 NUM

0a90_c76c

Calcium carbonate (CaCO₃)
Volume	50 mL
Concentration	90% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 50 mL of a 90% (w/v) CaCO₃ solution?

Note: answers need to be within 2% of the correct number to be correct.

45.00000000 0.90000000 NUM

a8fb_30c3

Magnesium chloride (MgCl₂)
Volume	70 mL
Concentration	90% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 70 mL of a 90% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

63.00000000 0.90000000 NUM

7b14_e8f9

Calcium carbonate (CaCO₃)
Volume	300 mL
Concentration	9% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 300 mL of a 9% (w/v) CaCO₃ solution?

Note: answers need to be within 4% of the correct number to be correct.

27.00000000 0.90000000 NUM

7c5b_bffb

Ethylenediaminetetraacetic acid (EDTA)
Volume	120 mL
Concentration	35% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 120 mL of a 35% (w/v) EDTA solution?

Note: answers need to be within 3% of the correct number to be correct.

42.00000000 0.90000000 NUM

b012_3e92

Monosodium phosphate (NaH₂PO₄)
Volume	60 mL
Concentration	35% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 60 mL of a 35% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 5% of the correct number to be correct.

21.00000000 0.90000000 NUM

979b_b72b

Cysteine
Volume	35 mL
Concentration	80% (w/v)
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many grams (g) of cysteine (Cysteine) you would need to make 35 mL of a 80% (w/v) Cysteine solution?

Note: answers need to be within 4% of the correct number to be correct.

28.00000000 0.90000000 NUM

14cd_d3e6

Magnesium sulfate (MgSO₄)
Volume	150 mL
Concentration	40% (w/v)
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium sulfate (MgSO₄) you would need to make 150 mL of a 40% (w/v) MgSO₄ solution?

Note: answers need to be within 2% of the correct number to be correct.

60.00000000 0.90000000 NUM

d0bb_3e92

Monosodium phosphate (NaH₂PO₄)
Volume	300 mL
Concentration	7% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 300 mL of a 7% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 5% of the correct number to be correct.

21.00000000 0.90000000 NUM

ea1f_b72b

Sucrose
Volume	350 mL
Concentration	8% (w/v)
Molecular weight	342.30 g/mol
State	Solid powder at room temperature

How many grams (g) of sucrose (Sucrose) you would need to make 350 mL of a 8% (w/v) Sucrose solution?

Note: answers need to be within 4% of the correct number to be correct.

28.00000000 0.90000000 NUM

c8c6_56e7

Potassium chloride (KCl)
Volume	90 mL
Concentration	40% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 90 mL of a 40% (w/v) KCl solution?

Note: answers need to be within 3% of the correct number to be correct.

36.00000000 0.90000000 NUM

4a99_30c3

Sodium chloride (NaCl)
Volume	900 mL
Concentration	7% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 900 mL of a 7% (w/v) NaCl solution?

Note: answers need to be within 2% of the correct number to be correct.

63.00000000 0.90000000 NUM

bd24_d3e6

Ethylenediaminetetraacetic acid (EDTA)
Volume	300 mL
Concentration	20% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 300 mL of a 20% (w/v) EDTA solution?

Note: answers need to be within 2% of the correct number to be correct.

60.00000000 0.90000000 NUM

c50b_860d

Monosodium phosphate (NaH₂PO₄)
Volume	120 mL
Concentration	15% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 120 mL of a 15% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

8b63_e8f9

Valine
Volume	300 mL
Concentration	9% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 300 mL of a 9% (w/v) Valine solution?

Note: answers need to be within 4% of the correct number to be correct.

27.00000000 0.90000000 NUM

8fb8_d3e6

Magnesium sulfate (MgSO₄)
Volume	300 mL
Concentration	20% (w/v)
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium sulfate (MgSO₄) you would need to make 300 mL of a 20% (w/v) MgSO₄ solution?

Note: answers need to be within 2% of the correct number to be correct.

60.00000000 0.90000000 NUM

cbf2_bffb

Valine
Volume	600 mL
Concentration	7% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 600 mL of a 7% (w/v) Valine solution?

Note: answers need to be within 3% of the correct number to be correct.

42.00000000 0.90000000 NUM

957b_f222

Ethylenediaminetetraacetic acid (EDTA)
Volume	400 mL
Concentration	10% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 400 mL of a 10% (w/v) EDTA solution?

Note: answers need to be within 3% of the correct number to be correct.

40.00000000 0.90000000 NUM

fee5_c304

Calcium carbonate (CaCO₃)
Volume	700 mL
Concentration	10% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 700 mL of a 10% (w/v) CaCO₃ solution?

Note: answers need to be within 2% of the correct number to be correct.

70.00000000 0.90000000 NUM

b002_906e

Magnesium chloride (MgCl₂)
Volume	400 mL
Concentration	5% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 400 mL of a 5% (w/v) MgCl₂ solution?

Note: answers need to be within 5% of the correct number to be correct.

20.00000000 0.90000000 NUM

a9c0_9406

Magnesium chloride (MgCl₂)
Volume	60 mL
Concentration	25% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 60 mL of a 25% (w/v) MgCl₂ solution?

Note: answers need to be within 7% of the correct number to be correct.

15.00000000 0.90000000 NUM

0d29_c304

Calcium carbonate (CaCO₃)
Volume	1000 mL
Concentration	7% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 1000 mL of a 7% (w/v) CaCO₃ solution?

Note: answers need to be within 2% of the correct number to be correct.

70.00000000 0.90000000 NUM

e3a4_9406

Valine
Volume	60 mL
Concentration	25% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 60 mL of a 25% (w/v) Valine solution?

Note: answers need to be within 7% of the correct number to be correct.

15.00000000 0.90000000 NUM

3e42_b72b

Glucose
Volume	140 mL
Concentration	20% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 140 mL of a 20% (w/v) Glucose solution?

Note: answers need to be within 4% of the correct number to be correct.

28.00000000 0.90000000 NUM

249f_860d

Magnesium chloride (MgCl₂)
Volume	900 mL
Concentration	2% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 900 mL of a 2% (w/v) MgCl₂ solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

d1cd_9406

Monosodium phosphate (NaH₂PO₄)
Volume	75 mL
Concentration	20% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 75 mL of a 20% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 7% of the correct number to be correct.

15.00000000 0.90000000 NUM

2fe2_f222

Potassium chloride (KCl)
Volume	100 mL
Concentration	40% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 100 mL of a 40% (w/v) KCl solution?

Note: answers need to be within 3% of the correct number to be correct.

40.00000000 0.90000000 NUM

abb9_e8f9

Ethylenediaminetetraacetic acid (EDTA)
Volume	150 mL
Concentration	18% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 150 mL of a 18% (w/v) EDTA solution?

Note: answers need to be within 4% of the correct number to be correct.

27.00000000 0.90000000 NUM

87b0_c304

Magnesium sulfate (MgSO₄)
Volume	350 mL
Concentration	20% (w/v)
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium sulfate (MgSO₄) you would need to make 350 mL of a 20% (w/v) MgSO₄ solution?

Note: answers need to be within 2% of the correct number to be correct.

70.00000000 0.90000000 NUM

96e3_f222

Sodium bicarbonate (NaHCO₃)
Volume	200 mL
Concentration	20% (w/v)
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium bicarbonate (NaHCO₃) you would need to make 200 mL of a 20% (w/v) NaHCO₃ solution?

Note: answers need to be within 3% of the correct number to be correct.

40.00000000 0.90000000 NUM

2e5b_34ab

Sodium bicarbonate (NaHCO₃)
Volume	70 mL
Concentration	80% (w/v)
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium bicarbonate (NaHCO₃) you would need to make 70 mL of a 80% (w/v) NaHCO₃ solution?

Note: answers need to be within 2% of the correct number to be correct.

56.00000000 0.90000000 NUM

a082_e8f9

Ethylenediaminetetraacetic acid (EDTA)
Volume	900 mL
Concentration	3% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 900 mL of a 3% (w/v) EDTA solution?

Note: answers need to be within 4% of the correct number to be correct.

27.00000000 0.90000000 NUM

9aea_906e

Monosodium phosphate (NaH₂PO₄)
Volume	125 mL
Concentration	16% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 125 mL of a 16% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 5% of the correct number to be correct.

20.00000000 0.90000000 NUM

c856_e2c0

Sodium bicarbonate (NaHCO₃)
Volume	100 mL
Concentration	50% (w/v)
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium bicarbonate (NaHCO₃) you would need to make 100 mL of a 50% (w/v) NaHCO₃ solution?

Note: answers need to be within 2% of the correct number to be correct.

50.00000000 0.90000000 NUM

db2a_59ff

Glucose
Volume	40 mL
Concentration	20% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 40 mL of a 20% (w/v) Glucose solution?

Note: answers need to be within 12% of the correct number to be correct.

8.00000000 0.90000000 NUM

4d5f_860d

Ethylenediaminetetraacetic acid (EDTA)
Volume	60 mL
Concentration	30% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 60 mL of a 30% (w/v) EDTA solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

bec5_b5c2

Ethylenediaminetetraacetic acid (EDTA)
Volume	500 mL
Concentration	7% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 500 mL of a 7% (w/v) EDTA solution?

Note: answers need to be within 3% of the correct number to be correct.

35.00000000 0.90000000 NUM

349e_bffb

Calcium carbonate (CaCO₃)
Volume	120 mL
Concentration	35% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 120 mL of a 35% (w/v) CaCO₃ solution?

Note: answers need to be within 3% of the correct number to be correct.

42.00000000 0.90000000 NUM

dade_cd55

Potassium chloride (KCl)
Volume	200 mL
Concentration	16% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 200 mL of a 16% (w/v) KCl solution?

Note: answers need to be within 3% of the correct number to be correct.

32.00000000 0.90000000 NUM

d614_b5c2

Sodium chloride (NaCl)
Volume	350 mL
Concentration	10% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 350 mL of a 10% (w/v) NaCl solution?

Note: answers need to be within 3% of the correct number to be correct.

35.00000000 0.90000000 NUM

c528_bca3

Magnesium chloride (MgCl₂)
Volume	30 mL
Concentration	20% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 30 mL of a 20% (w/v) MgCl₂ solution?

Note: answers need to be within 15% of the correct number to be correct.

6.00000000 0.90000000 NUM

4aee_0bdc

Potassium chloride (KCl)
Volume	60 mL
Concentration	40% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 60 mL of a 40% (w/v) KCl solution?

Note: answers need to be within 4% of the correct number to be correct.

24.00000000 0.90000000 NUM

69cb_56e7

Potassium chloride (KCl)
Volume	150 mL
Concentration	24% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 150 mL of a 24% (w/v) KCl solution?

Note: answers need to be within 3% of the correct number to be correct.

36.00000000 0.90000000 NUM

922d_ec91

Glucose
Volume	50 mL
Concentration	24% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 50 mL of a 24% (w/v) Glucose solution?

Note: answers need to be within 8% of the correct number to be correct.

12.00000000 0.90000000 NUM

4027_0bdc

Potassium chloride (KCl)
Volume	400 mL
Concentration	6% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 400 mL of a 6% (w/v) KCl solution?

Note: answers need to be within 4% of the correct number to be correct.

24.00000000 0.90000000 NUM

1237_8edd

Sodium chloride (NaCl)
Volume	900 mL
Concentration	8% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 900 mL of a 8% (w/v) NaCl solution?

Note: answers need to be within 2% of the correct number to be correct.

72.00000000 0.90000000 NUM

171c_a148

Monosodium phosphate (NaH₂PO₄)
Volume	125 mL
Concentration	8% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 125 mL of a 8% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 9% of the correct number to be correct.

10.00000000 0.90000000 NUM

84fe_860d

Glucose
Volume	300 mL
Concentration	6% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 300 mL of a 6% (w/v) Glucose solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

9b5a_34ab

Sodium chloride (NaCl)
Volume	80 mL
Concentration	70% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 80 mL of a 70% (w/v) NaCl solution?

Note: answers need to be within 2% of the correct number to be correct.

56.00000000 0.90000000 NUM

de1a_9406

Sodium chloride (NaCl)
Volume	30 mL
Concentration	50% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 30 mL of a 50% (w/v) NaCl solution?

Note: answers need to be within 7% of the correct number to be correct.

15.00000000 0.90000000 NUM

3059_c304

Ethylenediaminetetraacetic acid (EDTA)
Volume	100 mL
Concentration	70% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 100 mL of a 70% (w/v) EDTA solution?

Note: answers need to be within 2% of the correct number to be correct.

70.00000000 0.90000000 NUM

60a2_9846

Glucose
Volume	900 mL
Concentration	9% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 900 mL of a 9% (w/v) Glucose solution?

Note: answers need to be within 2% of the correct number to be correct.

81.00000000 0.90000000 NUM

3f62_860d

Glucose
Volume	150 mL
Concentration	12% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 150 mL of a 12% (w/v) Glucose solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

d689_e2c0

Valine
Volume	200 mL
Concentration	25% (w/v)
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many grams (g) of valine (Valine) you would need to make 200 mL of a 25% (w/v) Valine solution?

Note: answers need to be within 2% of the correct number to be correct.

50.00000000 0.90000000 NUM

0bd3_c304

Sucrose
Volume	350 mL
Concentration	20% (w/v)
Molecular weight	342.30 g/mol
State	Solid powder at room temperature

How many grams (g) of sucrose (Sucrose) you would need to make 350 mL of a 20% (w/v) Sucrose solution?

Note: answers need to be within 2% of the correct number to be correct.

70.00000000 0.90000000 NUM

a9dd_bca3

Calcium carbonate (CaCO₃)
Volume	100 mL
Concentration	6% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 100 mL of a 6% (w/v) CaCO₃ solution?

Note: answers need to be within 15% of the correct number to be correct.

6.00000000 0.90000000 NUM

f07f_808c

Sodium chloride (NaCl)
Volume	50 mL
Concentration	60% (w/v)
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium chloride (NaCl) you would need to make 50 mL of a 60% (w/v) NaCl solution?

Note: answers need to be within 4% of the correct number to be correct.

30.00000000 0.90000000 NUM

587a_c304

Magnesium chloride (MgCl₂)
Volume	350 mL
Concentration	20% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 350 mL of a 20% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

70.00000000 0.90000000 NUM

f133_860d

Potassium chloride (KCl)
Volume	50 mL
Concentration	36% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 50 mL of a 36% (w/v) KCl solution?

Note: answers need to be within 5% of the correct number to be correct.

18.00000000 0.90000000 NUM

a02b_56e7

Ethylenediaminetetraacetic acid (EDTA)
Volume	400 mL
Concentration	9% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 400 mL of a 9% (w/v) EDTA solution?

Note: answers need to be within 3% of the correct number to be correct.

36.00000000 0.90000000 NUM

206e_d567

Calcium carbonate (CaCO₃)
Volume	120 mL
Concentration	40% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 120 mL of a 40% (w/v) CaCO₃ solution?

Note: answers need to be within 2% of the correct number to be correct.

48.00000000 0.90000000 NUM

c58d_b5c2

Calcium carbonate (CaCO₃)
Volume	700 mL
Concentration	5% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 700 mL of a 5% (w/v) CaCO₃ solution?

Note: answers need to be within 3% of the correct number to be correct.

35.00000000 0.90000000 NUM

9dea_7723

Ethylenediaminetetraacetic acid (EDTA)
Volume	160 mL
Concentration	10% (w/v)
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many grams (g) of ethylenediaminetetraacetic acid (EDTA) you would need to make 160 mL of a 10% (w/v) EDTA solution?

Note: answers need to be within 6% of the correct number to be correct.

16.00000000 0.90000000 NUM

791d_a520

Sodium bicarbonate (NaHCO₃)
Volume	100 mL
Concentration	25% (w/v)
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium bicarbonate (NaHCO₃) you would need to make 100 mL of a 25% (w/v) NaHCO₃ solution?

Note: answers need to be within 4% of the correct number to be correct.

25.00000000 0.90000000 NUM

948a_a148

Magnesium chloride (MgCl₂)
Volume	500 mL
Concentration	2% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 500 mL of a 2% (w/v) MgCl₂ solution?

Note: answers need to be within 9% of the correct number to be correct.

10.00000000 0.90000000 NUM

bd19_bffb

Magnesium sulfate (MgSO₄)
Volume	140 mL
Concentration	30% (w/v)
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium sulfate (MgSO₄) you would need to make 140 mL of a 30% (w/v) MgSO₄ solution?

Note: answers need to be within 3% of the correct number to be correct.

42.00000000 0.90000000 NUM

88c2_3e92

Glucose
Volume	30 mL
Concentration	70% (w/v)
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many grams (g) of glucose (Glucose) you would need to make 30 mL of a 70% (w/v) Glucose solution?

Note: answers need to be within 5% of the correct number to be correct.

21.00000000 0.90000000 NUM

6bb9_7972

Magnesium chloride (MgCl₂)
Volume	900 mL
Concentration	6% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 900 mL of a 6% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

54.00000000 0.90000000 NUM

d038_e2c0

Magnesium chloride (MgCl₂)
Volume	250 mL
Concentration	20% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 250 mL of a 20% (w/v) MgCl₂ solution?

Note: answers need to be within 2% of the correct number to be correct.

50.00000000 0.90000000 NUM

778a_9406

Magnesium sulfate (MgSO₄)
Volume	30 mL
Concentration	50% (w/v)
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium sulfate (MgSO₄) you would need to make 30 mL of a 50% (w/v) MgSO₄ solution?

Note: answers need to be within 7% of the correct number to be correct.

15.00000000 0.90000000 NUM

bf46_e8f9

Magnesium chloride (MgCl₂)
Volume	900 mL
Concentration	3% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 900 mL of a 3% (w/v) MgCl₂ solution?

Note: answers need to be within 4% of the correct number to be correct.

27.00000000 0.90000000 NUM

032a_3afa

Monosodium phosphate (NaH₂PO₄)
Volume	140 mL
Concentration	10% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 140 mL of a 10% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 7% of the correct number to be correct.

14.00000000 0.90000000 NUM

4a1e_d567

Potassium chloride (KCl)
Volume	160 mL
Concentration	30% (w/v)
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many grams (g) of potassium chloride (KCl) you would need to make 160 mL of a 30% (w/v) KCl solution?

Note: answers need to be within 2% of the correct number to be correct.

48.00000000 0.90000000 NUM

6b1a_bca3

Magnesium chloride (MgCl₂)
Volume	150 mL
Concentration	4% (w/v)
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many grams (g) of magnesium chloride (MgCl₂) you would need to make 150 mL of a 4% (w/v) MgCl₂ solution?

Note: answers need to be within 15% of the correct number to be correct.

6.00000000 0.90000000 NUM

272a_bffb

Monosodium phosphate (NaH₂PO₄)
Volume	150 mL
Concentration	28% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 150 mL of a 28% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 3% of the correct number to be correct.

42.00000000 0.90000000 NUM

b6e6_906e

Calcium carbonate (CaCO₃)
Volume	100 mL
Concentration	20% (w/v)
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many grams (g) of calcium carbonate (CaCO₃) you would need to make 100 mL of a 20% (w/v) CaCO₃ solution?

Note: answers need to be within 5% of the correct number to be correct.

20.00000000 0.90000000 NUM

8852_c76c

Monosodium phosphate (NaH₂PO₄)
Volume	50 mL
Concentration	90% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 50 mL of a 90% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 2% of the correct number to be correct.

45.00000000 0.90000000 NUM

478a_cd55

Monosodium phosphate (NaH₂PO₄)
Volume	200 mL
Concentration	16% (w/v)
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many grams (g) of monosodium phosphate (NaH₂PO₄) you would need to make 200 mL of a 16% (w/v) NaH₂PO₄ solution?

Note: answers need to be within 3% of the correct number to be correct.

32.00000000 0.90000000 NUM

a753_7723

Sodium bicarbonate (NaHCO₃)
Volume	20 mL
Concentration	80% (w/v)
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium bicarbonate (NaHCO₃) you would need to make 20 mL of a 80% (w/v) NaHCO₃ solution?

Note: answers need to be within 6% of the correct number to be correct.

16.00000000 0.90000000 NUM

0c18_7723

Cysteine
Volume	200 mL
Concentration	8% (w/v)
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many grams (g) of cysteine (Cysteine) you would need to make 200 mL of a 8% (w/v) Cysteine solution?

Note: answers need to be within 6% of the correct number to be correct.

16.00000000 0.90000000 NUM

2f9a_bca3

Sodium bicarbonate (NaHCO₃)
Volume	60 mL
Concentration	10% (w/v)
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many grams (g) of sodium bicarbonate (NaHCO₃) you would need to make 60 mL of a 10% (w/v) NaHCO₃ solution?

Note: answers need to be within 15% of the correct number to be correct.

6.00000000 0.90000000 NUM

af6f_906e

Cysteine
Volume	250 mL
Concentration	8% (w/v)
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many grams (g) of cysteine (Cysteine) you would need to make 250 mL of a 8% (w/v) Cysteine solution?

Note: answers need to be within 5% of the correct number to be correct.

20.00000000 0.90000000