(a) The recommended daily allowance (RDA) of the trace

Chapter 1, Problem 1.12

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QUESTION:

(a) The recommended daily allowance (RDA) of the trace metal magnesium is 410 mg>day for males. Express this quantity in mg>day. (b) For adults, the RDA of the amino acid lysine is 12 mg per kg of body weight. How many grams per day should a 75-kg adult receive? (c) A typical multivitamin tablet can contain 2.0 mg of vitamin B2 (riboflavin), and the RDA is 0.0030 g>day. How many such tablets should a person take each day to get the proper amount of this vitamin, if he gets none from other sources? (d) The RDA for the trace element selenium is 0.000070 g>day. Express this dose in mg>day

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QUESTION:

(a) The recommended daily allowance (RDA) of the trace metal magnesium is 410 mg>day for males. Express this quantity in mg>day. (b) For adults, the RDA of the amino acid lysine is 12 mg per kg of body weight. How many grams per day should a 75-kg adult receive? (c) A typical multivitamin tablet can contain 2.0 mg of vitamin B2 (riboflavin), and the RDA is 0.0030 g>day. How many such tablets should a person take each day to get the proper amount of this vitamin, if he gets none from other sources? (d) The RDA for the trace element selenium is 0.000070 g>day. Express this dose in mg>day

ANSWER:

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(a)

Given information:

The recommended daily allowance of the trace metal magnetism .

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