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JonesKN JonesKN
wrote...
Posts: 1
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7 years ago
If a sample has a total mass of 100.0 grams, and it contains 45.6 grams of iron,what is the mass percent of iron in the sample ?

A.45.6
B. 55.4
C. 49.1
D. 33.2
E.10.2
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wrote...
7 years ago
Such an easy question !! The answer is 45.6 %
Mass percent = mass of the thing of which you want to calculate mass percent  *100. / total mass of the sample
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