Mole ConceptMedium
Question
A person needs an average of 2.0 mg of riboflavin (vitamin B2) per day. How many grams of butter should be taken by the person per day if it is the only source of riboflavin? Butter contains 5.5 mg riboflavin per g.
Options
A.363.6 g
B.2.75 mg
C.11 g
D.19.8 g
Solution
Mass of butter should be taken per day =$\frac{2.0 \times 10^{- 3}}{5.5 \times 10^{- 6}} = 363.6g$
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