A 348 ML Sample of an Unknown,water-Insoluble Gas Was Collected Over

question 60

Multiple Choice

A 34.8 mL sample of an unknown,water-insoluble gas was collected over water at 22.6 °C and a barometric pressure of 0.895 atm.When the gas was dried and chilled,it formed 114.6 mg of liquid.What was the molar mass of this substance? [The vapor pressure of water at 22.6 °C is 20.mmHg]

• A)22.9 g/mol
• B)38.4 g/mol
• C)57.3 g/mol
• D)84.2 g/mol
• E)92.0 g/mol

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