Question

A gas mixture contains each of the following gases at the indicated partial pressures: N2, 211 torr ; O2, 135 torr ; and He, 158 torr . What is the total pressure of the mixture

Answer 1

Answer:

$P_T=504torr$

Explanation:

Hello!

In this case, since the Dalton's law states that the total pressure inside a container full of various gases is equal to the addition of the pressure of each gas, for the given mixture containing nitrogen, oxygen and helium we have:

$P_T=P_{N_2}+P_{O_2}+P_{He}$

Thus, by plugging in each partial pressure, we obtain the total pressure of the mixture as shown below:

$P_T=211torr+135torr+158torr\\\\P_T=504torr$

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