A Sample of Nitrogen Gas Was Collected by Displacement of Water

Multiple Choice

A sample of nitrogen gas was collected by displacement of water in a gas collection flask. The total pressure in the collection flask was measured as 754.2 torr, the temperature was 20.0 °C, and the measured volume of gas collected was 516 mL. How many grams should the nitrogen weigh? (At 20.0 °C, the vapor pressure of water is 17.5 torr.)

A) 0.291 g
B) 0.305 g
C) 0.582 g
D) 0.596 g
E) 0.610 g