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you decide to isolate one mole of iron from one a day multivitamin. using the in

ID: 1012691 • Letter: Y

Question

you decide to isolate one mole of iron from one a day multivitamin. using the information provided on the product label, how many vitamin tablets would you need to isolate that amount of iron?

ONE A DAY® Women’s

Supplement Facts

Serving Size: One tablet

Amount Per Serving

% Daily Value

Vitamin A

2500 IU

50%

Vitamin C

60 mg

100%

Vitamin D

1000 IU

250%

Vitamin E

22.5 IU

75%

Vitamin K

25 mcg

31%

Thiamin (B1)

1.5 mg

100%

Riboflavin (B2)

1.7 mg

100%

Niacin

20 mg

100%

Vitamin B6

2 mg

100%

Folic Acid

400 mcg

100%

Vitamin B12

6 mcg

100%

Biotin

300 mcg

100%

Pantothenic Acid

10 mg

100%

Calcium (elemental)

500 mg

50%

Iron

18 mg

100%

Iodine

150 mcg

100%

Zinc

15 mg

100%

Selenium

20 mcg

29%

Copper

2 mg

100%

Manganese

2 mg

100%

Chromium

120 mcg

100%

ONE A DAY® Women’s

Supplement Facts

Serving Size: One tablet

Amount Per Serving

% Daily Value

Vitamin A

2500 IU

50%

Vitamin C

60 mg

100%

Vitamin D

1000 IU

250%

Vitamin E

22.5 IU

75%

Vitamin K

25 mcg

31%

Thiamin (B1)

1.5 mg

100%

Riboflavin (B2)

1.7 mg

100%

Niacin

20 mg

100%

Vitamin B6

2 mg

100%

Folic Acid

400 mcg

100%

Vitamin B12

6 mcg

100%

Biotin

300 mcg

100%

Pantothenic Acid

10 mg

100%

Calcium (elemental)

500 mg

50%

Iron

18 mg

100%

Iodine

150 mcg

100%

Zinc

15 mg

100%

Selenium

20 mcg

29%

Copper

2 mg

100%

Manganese

2 mg

100%

Chromium

120 mcg

100%

Explanation / Answer

One tablet contains 18 mg of iron.

Molar mass of iron is 55.845 g/mol

moles of iron = 0.018*55.845 g/mol

                    = 1.0052 mol

So it is nearly equal to 1 mol.

So one tablet is enough to consume 1 mol of iron.