A mixture consisting of 0.120 mol N2, 0.018 mol O2, 112 mol CH4, and an unknown amount of CO2 occupies a volume of 9.04 l at 25 °C and 1.17 atm pressure. How many moles of CO2 are there in this sample?
A. 0.750 mol B. 0.182 mol C. 2.06 mol D. 4.90 mol E. 0.432 mol