Which best defines partial pressure in a mixture of gases

Asked by admin @ in Chemistry viewed by 393 People

Which best defines partial pressure in a mixture of gases?

pressure that is exerted by all the gases of a mixture on the container
pressure that is exerted by one gas as if it occupied a container by itself
half of the pressure that is exerted by the gases of a mixture on the container
sum of the individual pressures that are exerted by two or more gases

Answered by admin @


The best definition is pressure that is exerted by one gas as if it occupied a container by itself. 

The partial pressure of one gas in a mixture of gases, contained in a given volume, is the pressure that that one gas would exert if it occupied the entire volume all by itself. 

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