A mixture of oxygen (O2), carbon dioxide (CO2), and nitrogen (N2) has a total pressure of 0.97 atm. What is the partial pressure of O2, if the partial pressure
of CO2 is 0.70 atm and the partial pressure of N2 is 0.12 atm?

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.