A gas mixture exists composed of 45% O2, 35% CO2 and 20% Ar on a molar basis. The pressure of the gas is 1 atm and the temperature is 50°F.
Determine:
a) The mass fraction of each component
b) The partial pressure of each component in (psi)
c) What is the molecular weight of the mixture?
d) How much volume in (ft3) would 10 lbm of this mixture occupy?