a. Calculate the partial pressures and the mole fractions ofCO2, Ch4 and He in a sample of gas that have 0.250 mole of CO2, 1.29 moles of CH4, and 3.51 moles of He, and in which the whole pressure is 5.78 atm.
b. Calculate the number of moles and the partial pressure of each gas in a 15.75 L container at 30.0 oC having a mixture of neon and xenon gases only. The mole fraction of xenon is 0.761 and the total pressure in the container is 6.50 atm.