An Unknown Gaseous Hydrocarbon Contains 85

question 58

Multiple Choice

An unknown gaseous hydrocarbon contains 85.63% C.Its density is 1.524 g/L at 0.665 atm and 373 K.What is the molecular formula of the gas? (R = 0.08206 L.atm/mol.K)

• A) C₂H₄
• B) C₃H₆
• C) C₄H₈
• D) C₅H₁₀
• E) C₆H₁₂

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