A Mass of 1

question 33

Multiple Choice

A mass of 1.37 g of an unknown gas is introduced into an evacuated 1.70 L flask.If the pressure in the flask is 0.814 atm at 98°C,which of the following gases might be in the flask? (R = 0.0821 L · atm/mol · K)

• A) CH₄
• B) C₂H₂
• C) C₂H₆
• D) C₃H₈
• E) C₄H₁₀

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