High School

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

A) 33 kPa
B) 23 kPa
C) -3 kPa
D) 0.003 kPa

Answer :

Answer:B. 23 kPa

Explanation: from law of partial pressure, the total pressure of a mixture of gasses equals the sum of the individual partial pressure of the constituents that makes up the mixture...

P=Pn +Po +PC

Po=P-Pn- Pc

Po=95-24-48

Po=23kPa

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