A sample of hydrogen gas is mixed with water vapor. The mixture has a total pressure of 745torr, and the water vapor has a partial pressure of 24 torr. What is the partial pressure of the hydrogen gas?

1 Answer
May 22, 2015

Use the Daltons law of partial pressures : the total pressure of the mixture is the sum of the partial pressures of all the gases present provided these gases are non-reacting

745=24+ x
x=721 torr