Homework Help: chemistry

Posted by jake on Wednesday, June 23, 2010 at 10:09pm.

a mixture of gases at a total pressure of 95kPa contains carbon dioxide, oxygen, and nitrogen. The partial pressure of the carbon dioxide is 48kPa and the partial pressure of the nitrogen is 24kPa. What is the partial pressure of the oxygen?

chemistry - DrBob222, Wednesday, June 23, 2010 at 11:26pm
Dalton's Law of partial pressures says that each gas of a mixture exerts its partial pressure independent of the others; i.e., the sum of the partial pressures is the total pressure of the system. Therefore,
total P = PN2 + PCO2 + PO2

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