NUM

8c55_bb93

Magnesium sulfate (MgSO₄)
Volume	160 mL
Concentration	4 mM
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium sulfate (MgSO₄) would you need to make 160 mL of a 4 mM MgSO₄ solution?

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

77.03680000 0.90000000 NUM

8f43_f99b

Ethylenediaminetetraacetic acid (EDTA)
Volume	3 mL
Concentration	730 mM
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of ethylenediaminetetraacetic acid (EDTA) would you need to make 3 mL of a 730 mM EDTA solution?

Note: answers need to be within 1% of the correct number to be correct.

640.00560000 0.90000000 NUM

62fb_426d

Calcium carbonate (CaCO₃)
Volume	130 mL
Concentration	1 mM
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of calcium carbonate (CaCO₃) would you need to make 130 mL of a 1 mM CaCO₃ solution?

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

13.01170000 0.90000000 NUM

487c_a260

Magnesium sulfate (MgSO₄)
Volume	4 mL
Concentration	700 mM
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium sulfate (MgSO₄) would you need to make 4 mL of a 700 mM MgSO₄ solution?

Note: answers need to be within 1% of the correct number to be correct.

337.03600000 0.90000000 NUM

645a_1b3f

Potassium chloride (KCl)
Volume	200 mL
Concentration	10 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 200 mL of a 10 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

149.10000000 0.90000000 NUM

96ec_8b06

Potassium chloride (KCl)
Volume	870 mL
Concentration	7 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 870 mL of a 7 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

454.00950000 0.90000000 NUM

5374_5cde

valine
Volume	70 mL
Concentration	5 mM
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of valine would you need to make 70 mL of a 5 mM valine solution?

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

41.00250000 0.90000000 NUM

1148_63a8

Magnesium chloride (MgCl₂)
Volume	730 mL
Concentration	2 mM
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium chloride (MgCl₂) would you need to make 730 mL of a 2 mM MgCl₂ solution?

Note: answers need to be within 1% of the correct number to be correct.

139.00660000 0.90000000 NUM

5bc3_47c4

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

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 80 mL of a 40 mM NaCl solution?

Note: answers need to be within 1% of the correct number to be correct.

187.00800000 0.90000000 NUM

6f1c_fe05

Sodium chloride (NaCl)
Volume	60 mL
Concentration	160 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 60 mL of a 160 mM NaCl solution?

Note: answers need to be within 1% of the correct number to be correct.

561.02400000 0.90000000 NUM

ec3f_5c00

Potassium chloride (KCl)
Volume	80 mL
Concentration	110 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 80 mL of a 110 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

656.04000000 0.90000000 NUM

8dad_00fa

Sodium chloride (NaCl)
Volume	420 mL
Concentration	2 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 420 mL of a 2 mM NaCl solution?

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

49.08960000 0.90000000 NUM

18ac_e327

Calcium carbonate (CaCO₃)
Volume	810 mL
Concentration	1 mM
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of calcium carbonate (CaCO₃) would you need to make 810 mL of a 1 mM CaCO₃ solution?

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

81.07290000 0.90000000 NUM

39e8_a7c8

cysteine
Volume	6 mL
Concentration	260 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 6 mL of a 260 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

189.00960000 0.90000000 NUM

8b3a_a30d

cysteine
Volume	640 mL
Concentration	2 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 640 mL of a 2 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

155.08480000 0.90000000 NUM

ba98_06a5

Magnesium chloride (MgCl₂)
Volume	80 mL
Concentration	60 mM
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium chloride (MgCl₂) would you need to make 80 mL of a 60 mM MgCl₂ solution?

Note: answers need to be within 1% of the correct number to be correct.

457.00800000 0.90000000 NUM

14b8_b174

valine
Volume	420 mL
Concentration	5 mM
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of valine would you need to make 420 mL of a 5 mM valine solution?

Note: answers need to be within 1% of the correct number to be correct.

246.01500000 0.90000000 NUM

25e5_a148

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

How many milligrams (mg) of calcium carbonate (CaCO₃) would you need to make 10 mL of a 10 mM CaCO₃ solution?

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

10.00900000 0.90000000 NUM

b3c3_6b78

Monosodium phosphate (NaH₂PO₄)
Volume	740 mL
Concentration	9 mM
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of monosodium phosphate (NaH₂PO₄) would you need to make 740 mL of a 9 mM NaH₂PO₄ solution?

Note: answers need to be within 1% of the correct number to be correct.

799.06680000 0.90000000 NUM

38ec_1f57

sucrose
Volume	320 mL
Concentration	2 mM
Molecular weight	342.30 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sucrose would you need to make 320 mL of a 2 mM sucrose solution?

Note: answers need to be within 1% of the correct number to be correct.

219.07200000 0.90000000 NUM

1aca_8a58

Potassium chloride (KCl)
Volume	480 mL
Concentration	9 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 480 mL of a 9 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

322.05600000 0.90000000 NUM

a78c_a7c8

cysteine
Volume	3 mL
Concentration	520 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 3 mL of a 520 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

189.00960000 0.90000000 NUM

d071_3cd7

glucose
Volume	170 mL
Concentration	8 mM
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of glucose would you need to make 170 mL of a 8 mM glucose solution?

Note: answers need to be within 1% of the correct number to be correct.

245.01760000 0.90000000 NUM

6012_9d24

valine
Volume	880 mL
Concentration	1 mM
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of valine would you need to make 880 mL of a 1 mM valine solution?

Note: answers need to be within 1% of the correct number to be correct.

103.09200000 0.90000000 NUM

c051_d30b

Potassium chloride (KCl)
Volume	680 mL
Concentration	3 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 680 mL of a 3 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

152.08200000 0.90000000 NUM

17e6_4c90

Potassium chloride (KCl)
Volume	8 mL
Concentration	830 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 8 mL of a 830 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

495.01200000 0.90000000 NUM

4b35_7a69

Ethylenediaminetetraacetic acid (EDTA)
Volume	10 mL
Concentration	90 mM
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of ethylenediaminetetraacetic acid (EDTA) would you need to make 10 mL of a 90 mM EDTA solution?

Note: answers need to be within 1% of the correct number to be correct.

263.01600000 0.90000000 NUM

48dd_01e4

cysteine
Volume	610 mL
Concentration	10 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 610 mL of a 10 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

739.07600000 0.90000000 NUM

1526_7a69

Ethylenediaminetetraacetic acid (EDTA)
Volume	100 mL
Concentration	9 mM
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of ethylenediaminetetraacetic acid (EDTA) would you need to make 100 mL of a 9 mM EDTA solution?

Note: answers need to be within 1% of the correct number to be correct.

263.01600000 0.90000000 NUM

7d7b_6b79

Magnesium chloride (MgCl₂)
Volume	310 mL
Concentration	2 mM
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium chloride (MgCl₂) would you need to make 310 mL of a 2 mM MgCl₂ solution?

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

59.03020000 0.90000000 NUM

25e5_a148

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

How many milligrams (mg) of calcium carbonate (CaCO₃) would you need to make 10 mL of a 10 mM CaCO₃ solution?

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

10.00900000 0.90000000 NUM

1153_c584

Ethylenediaminetetraacetic acid (EDTA)
Volume	270 mL
Concentration	10 mM
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of ethylenediaminetetraacetic acid (EDTA) would you need to make 270 mL of a 10 mM EDTA solution?

Note: answers need to be within 1% of the correct number to be correct.

789.04800000 0.90000000 NUM

ab03_01e4

Monosodium phosphate (NaH₂PO₄)
Volume	770 mL
Concentration	8 mM
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of monosodium phosphate (NaH₂PO₄) would you need to make 770 mL of a 8 mM NaH₂PO₄ solution?

Note: answers need to be within 1% of the correct number to be correct.

739.07680000 0.90000000 NUM

a78d_8b06

Potassium chloride (KCl)
Volume	7 mL
Concentration	870 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 7 mL of a 870 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

454.00950000 0.90000000 NUM

945d_11d9

cysteine
Volume	620 mL
Concentration	9 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 620 mL of a 9 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

676.07280000 0.90000000 NUM

883a_d7da

Ethylenediaminetetraacetic acid (EDTA)
Volume	4 mL
Concentration	740 mM
Molecular weight	292.24 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of ethylenediaminetetraacetic acid (EDTA) would you need to make 4 mL of a 740 mM EDTA solution?

Note: answers need to be within 1% of the correct number to be correct.

865.03040000 0.90000000 NUM

c051_d30b

Potassium chloride (KCl)
Volume	680 mL
Concentration	3 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 680 mL of a 3 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

152.08200000 0.90000000 NUM

f651_efb9

glucose
Volume	220 mL
Concentration	8 mM
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of glucose would you need to make 220 mL of a 8 mM glucose solution?

Note: answers need to be within 1% of the correct number to be correct.

317.08160000 0.90000000 NUM

c8dc_06a5

Magnesium chloride (MgCl₂)
Volume	40 mL
Concentration	120 mM
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium chloride (MgCl₂) would you need to make 40 mL of a 120 mM MgCl₂ solution?

Note: answers need to be within 1% of the correct number to be correct.

457.00800000 0.90000000 NUM

9658_5ecf

Sodium chloride (NaCl)
Volume	830 mL
Concentration	2 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 830 mL of a 2 mM NaCl solution?

Note: answers need to be within 1% of the correct number to be correct.

97.01040000 0.90000000 NUM

bb34_455f

Sodium bicarbonate (NaHCO₃)
Volume	7 mL
Concentration	670 mM
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium bicarbonate (NaHCO₃) would you need to make 7 mL of a 670 mM NaHCO₃ solution?

Note: answers need to be within 1% of the correct number to be correct.

394.00690000 0.90000000 NUM

2c6a_5ac0

Sodium chloride (NaCl)
Volume	430 mL
Concentration	8 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 430 mL of a 8 mM NaCl solution?

Note: answers need to be within 1% of the correct number to be correct.

201.03360000 0.90000000 NUM

a81c_7ca9

Magnesium chloride (MgCl₂)
Volume	740 mL
Concentration	9 mM
Molecular weight	95.21 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium chloride (MgCl₂) would you need to make 740 mL of a 9 mM MgCl₂ solution?

Note: answers need to be within 1% of the correct number to be correct.

634.09860000 0.90000000 NUM

844a_ca67

Sodium chloride (NaCl)
Volume	450 mL
Concentration	7 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 450 mL of a 7 mM NaCl solution?

Note: answers need to be within 1% of the correct number to be correct.

184.08600000 0.90000000 NUM

5dcc_af19

Sodium chloride (NaCl)
Volume	1 mL
Concentration	890 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 1 mL of a 890 mM NaCl solution?

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

52.01160000 0.90000000 NUM

d32e_fd6c

Magnesium sulfate (MgSO₄)
Volume	150 mL
Concentration	1 mM
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium sulfate (MgSO₄) would you need to make 150 mL of a 1 mM MgSO₄ solution?

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

18.05550000 0.90000000 NUM

6f15_fbec

Potassium chloride (KCl)
Volume	290 mL
Concentration	5 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 290 mL of a 5 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

108.09750000 0.90000000 NUM

419e_3e92

Sodium chloride (NaCl)
Volume	360 mL
Concentration	1 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 360 mL of a 1 mM NaCl solution?

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

21.03840000 0.90000000 NUM

65fb_36ee

glucose
Volume	330 mL
Concentration	9 mM
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of glucose would you need to make 330 mL of a 9 mM glucose solution?

Note: answers need to be within 1% of the correct number to be correct.

535.07520000 0.90000000 NUM

e078_88c3

Sodium bicarbonate (NaHCO₃)
Volume	390 mL
Concentration	4 mM
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium bicarbonate (NaHCO₃) would you need to make 390 mL of a 4 mM NaHCO₃ solution?

Note: answers need to be within 1% of the correct number to be correct.

131.05560000 0.90000000 NUM

6df1_d0fd

valine
Volume	3 mL
Concentration	350 mM
Molecular weight	117.15 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of valine would you need to make 3 mL of a 350 mM valine solution?

Note: answers need to be within 1% of the correct number to be correct.

123.00750000 0.90000000 NUM

9915_4176

Monosodium phosphate (NaH₂PO₄)
Volume	730 mL
Concentration	7 mM
Molecular weight	119.98 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of monosodium phosphate (NaH₂PO₄) would you need to make 730 mL of a 7 mM NaH₂PO₄ solution?

Note: answers need to be within 1% of the correct number to be correct.

613.09780000 0.90000000 NUM

e57f_808d

cysteine
Volume	180 mL
Concentration	5 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 180 mL of a 5 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

109.04400000 0.90000000 NUM

3ca7_56e7

glucose
Volume	40 mL
Concentration	5 mM
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of glucose would you need to make 40 mL of a 5 mM glucose solution?

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

36.03200000 0.90000000 NUM

4fb4_0934

Potassium chloride (KCl)
Volume	890 mL
Concentration	3 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 890 mL of a 3 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

199.04850000 0.90000000 NUM

50d5_47c4

Sodium chloride (NaCl)
Volume	20 mL
Concentration	160 mM
Molecular weight	58.44 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium chloride (NaCl) would you need to make 20 mL of a 160 mM NaCl solution?

Note: answers need to be within 1% of the correct number to be correct.

187.00800000 0.90000000 NUM

ed91_2192

Sodium bicarbonate (NaHCO₃)
Volume	170 mL
Concentration	50 mM
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium bicarbonate (NaHCO₃) would you need to make 170 mL of a 50 mM NaHCO₃ solution?

Note: answers need to be within 1% of the correct number to be correct.

714.08500000 0.90000000 NUM

8b3a_a30d

cysteine
Volume	640 mL
Concentration	2 mM
Molecular weight	121.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of cysteine would you need to make 640 mL of a 2 mM cysteine solution?

Note: answers need to be within 1% of the correct number to be correct.

155.08480000 0.90000000 NUM

d4fd_860d

glucose
Volume	1 mL
Concentration	100 mM
Molecular weight	180.16 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of glucose would you need to make 1 mL of a 100 mM glucose solution?

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

18.01600000 0.90000000 NUM

b0c1_b865

Calcium carbonate (CaCO₃)
Volume	700 mL
Concentration	1 mM
Molecular weight	100.09 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of calcium carbonate (CaCO₃) would you need to make 700 mL of a 1 mM CaCO₃ solution?

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

70.06300000 0.90000000 NUM

dfb8_605e

Magnesium sulfate (MgSO₄)
Volume	410 mL
Concentration	3 mM
Molecular weight	120.37 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of magnesium sulfate (MgSO₄) would you need to make 410 mL of a 3 mM MgSO₄ solution?

Note: answers need to be within 1% of the correct number to be correct.

148.05510000 0.90000000 NUM

0ef3_b02a

Potassium chloride (KCl)
Volume	790 mL
Concentration	9 mM
Molecular weight	74.55 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of potassium chloride (KCl) would you need to make 790 mL of a 9 mM KCl solution?

Note: answers need to be within 1% of the correct number to be correct.

530.05050000 0.90000000 NUM

a6c2_88c3

Sodium bicarbonate (NaHCO₃)
Volume	520 mL
Concentration	3 mM
Molecular weight	84.01 g/mol
State	Solid powder at room temperature

How many milligrams (mg) of sodium bicarbonate (NaHCO₃) would you need to make 520 mL of a 3 mM NaHCO₃ solution?

Note: answers need to be within 1% of the correct number to be correct.

131.05560000 0.90000000