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7 November, 23:20

The human body is 0.0040% iron. How many milligrams of iron does a 165 pound person contain?

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  1. 8 November, 01:35
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    in a body of 165 pounds, the iron content is 2993.707 mg

    Explanation:

    % iron = 0.0040% = (mass iron / mass human) * 100

    ⇒ mass iron / mass human = 4 E-5

    ∴ mass human = 165 pounds

    ⇒ mass iron = 165 pounds * 4 E-5

    ⇒ mass iron = 6.6 E-3 pounds * (453.592 g/pound) * (1000 mg/g)

    ⇒ mass iron = 2993.707 mg iron
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