•The partial pressure of CH4(g) is 0.225atm and C2H6(g) is 0.165 atm in a  mixture of the two gases. What is the total pressure?
•
•A gas mixture has three components, N2, O2 and He. If the total pressure of the mixture is 0.78 atm and the partial pressure of N2 and He are 0.40 atm and 0. 18 atm respectively, what is the partial pressure of the O2 in the mixture?