The partial pressure of a gas is independent of the pressure exerted by all other gases present.

Question

Quizplus · Accepted Answer

This is known as Dalton's Law of Partial Pressures. Each gas in a mixture exerts a pressure proportional to its partial pressure, and the total pressure of the mixture is the sum of the partial pressures of each gas. The partial pressure of a gas is only dependent on the amount of that specific gas present, not on the presence or pressure of other gases in the mixture.

The Partial Pressure of a Gas Is Independent of the Pressure