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.
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