A 0271 G Sample of an Unknown Vapor Occupies 294 ML

question 74

Multiple Choice

A 0.271 g sample of an unknown vapor occupies 294 mL at 140.°C and 847 mmHg.The empirical formula of the compound is CH₂.What is the molecular formula of the compound?

• A)CH₂
• B)C₂H₄
• C)C₃H₆
• D)C₄H₈
• E)C₆H₁₂

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