A Compound Contains 40

question 14

Multiple Choice

A compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen (by mass) . Calculate the empirical formula.

• A) CH₂O
• B) C₂H₂O
• C) CH₄O
• D) C₃H₆O₃
• E) C₂HO₂

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