A 6.987 g sample of a hydrocarbon, upon combustion analysis, yielded 8.398 grams of carbon dioxide. What is the percent, by mass, of carbon in the hydrocarbon?
A) 16.01 %
B) 23.66 %
C) 32.80 %
D) 34.91 %
E) 58.68 %
Correct Answer:
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