A sample of nitrogen gas is collected over water at a temperature of 23.0°C. What is the pressure of nitrogen gas if atmospheric pressure is 785 mm Hg?
1 Answer
Aug 2, 2016
The saturated vapour pressure of water at
Explanation:
Gas collected over water must always account for the saturated vapour pressure. I have included a link to a Table, but in an exam these data would be supplied.
Thus
Note that when a gas is collecgted over water, we must always include