A 4.266 g sample of a hydrocarbon, upon combustion analysis, yielded 5.672 grams of water. What is the percent, by mass, of hydrogen in the hydrocarbon?
A) 7.44 %
B) 8.62 %
C) 14.88 %
D) 17.24 %
E) 20.07 %
Correct Answer:
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