Pure methane is burned with dry air and the resulting gaseous mixture is passed through an apparatus which removes most of the water vapor by condensing it to liquid water. The remaining gas is...

Extracted text: Pure methane is burned with dry air and the resulting gaseous mixture is passed through an apparatus which removes most of the water vapor by condensing it to liquid water. The remaining gas is analyzed by the Orsat method and found to contain 8.21% CO2, 0.91% CO, 5.02% 02, and 85.56% N2. How many pound moles of dry air were used per pound mole of methane? a. 9.58 b. 11.92 c. 13.23 d. 15.82