A mixture of gasses at a total pressure of 95 kPa contains N2, CO2, and O2. The partial pressure of the CO2, is 24 kPa and the partial pressure of the N2 is 48 kPa. What is the partial pressure of the O2?

Question

A mixture of gasses at a total pressure of 95 kPa contains N2, CO2, and O2.  The partial pressure of the CO2, is 24 kPa and the partial pressure of the N2 is 48 kPa.  What is the partial pressure of the O2?

bobpursley · Answer

gimme a break. You know the sum of partial pressures is equal to the total pressure.