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Mass % of a Compound

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The mass% of a compound is 76.71% C, 7.02%H, and x%N. Find %xN.

2) Find empirical formula of compound.

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The mass percent of a compound is determined.

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The mass% of a compound is 76.71% C, 7.02%H, and x%N. Find %xN.
%x of N = 100 - 76.71 - 7.02 ...

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