The total pressure in a mixture of gases is equal to the partial pressure(s) of
A) the gas present in the greatest quantity.
B) all of the gases added together.
C) the gas with the greatest volatility.
D) the gas that is most important.
E) the gas with the greatest partial pressure.

Question

Quizplus · Accepted Answer

The total pressure in a mixture of gases is equal to the sum of the partial pressures of all the gases present in the mixture. This is known as Dalton's Law of Partial Pressures. Therefore, option B is the correct answer.

The Total Pressure in a Mixture of Gases Is Equal