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An Unknown Gaseous Substance Has a Density of 1

Question 52

Multiple Choice

An unknown gaseous substance has a density of 1.06 g/L at 31 °C and 371 torr. If the substance has the following percent composition: 88.8% C and 11.2% H, its molecular formula is ________.


A) CH₃
B) C₂H₃
C) C₄H₆
D) C₂H₅

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