An ideal gas mixture at 2 atm and 35°C has the following volume compositions: 15% O2, 65% N2, 12% CO2, 7% CO, and 1% H2O. Determine the following:
a. The partial pressures of each species.
b. The mass fractions of oxygen and carbon monoxide in the mixture.
c. The average molecular weight of the gas mixture.
d. The density of the gas mixture.