At 25 °C and 1.0 atm pressure, what is the minimum quantity

Last updated: 8/6/2022

At 25 °C and 1.0 atm pressure, what is the minimum quantity of dry air needed to combust 1.3 L of CH4 (g) comp to CO₂(g)? Remember that oxygen is present in the atmosphere to the extent of 209,480 parts per million.