A sample of hydrogen gas is collected over water at 22.0 °C
CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A sample of hydrogen gas is collected over water at 22.0 °C. The volume of the moist gas is 255 mL, and the barometric pressure is 745 mmHg. The vapor pressure of water at 22.0 °C is 19.8 mmHg. Calculate the partial pressure, in atm, of the dry hydrogen gas.