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

Question 81

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

Correct Answer:

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