# What does Dalton's law of partial pressure mean?

##### 1 Answer

Aug 15, 2016

#### Answer:

It means we can solve problems like this one.

#### Explanation:

And in a gaseous mixture, the partial pressure exerted by a component gas is the same as the pressure it would exert if that component ALONE had occupied the container. The total pressure is the sum of the individual partial pressures.

But if we assume ideality, then

And thus,

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