Question

What is the pressure of a mixture of nitrogen (N2) and oxygen (O2) if the partial pressure of N2 is 594 mm Hg and the partial pressure of O2 is 322 mm Hg?

Answer 1

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Answer 2

Given - Partial pressure of N2 is 594 mm Hg

Partial pressure of O2 is 322 mm Hg

Find - Pressure of mixture of Nitrogen and Oxygen.

Solution - As per Dalton’s law of partial pressures "the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures exerted by each individual gas in the mixture."

So, the total pressure will be : P(N2) + P(O2)

Total pressure : 594 + 322

Total pressure : 916 mm of Hg.

Thus, total partial pressure of mixture is 916 mm of Hg.