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The Percent Composition by Mass of a Compound Is 76

Question 80

Multiple Choice

The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound is 284.5 g/mol. What is the molecular formula of the compound


A) C10H6O
B) C9H18O
C) C16H28O4
D) C20H12O2
E) C18H36O2

Correct Answer:

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