Nizzy7074 Nizzy7074

27-06-2017
Chemistry

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Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 100.mg of na present

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meerkat18 meerkat18

10-07-2017

For a pure sodium chloride compound, when sodium's content is 39%, then we must find the number of grams of sodium chloride, in which 39% of which is 100 mg. This is done by dividing 100 by 39%. The answer would be 256.41 mg of NaCl.

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