A 2.00-L sample of O2 (g) was collected over water at a total pressure of 745 torr and 21 °C. When the O2 (g) was dried (water vapor removed), the gas had a volume of 1.95 L at 21 °C and 745 torr. Calculate the vapor pressure of water at 21 °C.
11 months ago •
Collecting Gas Over Water