In the following reaction, how many liters of oxygen produce 560 liters of

carbon dioxide in the oxidation of methane, given that both gases are at STP?

CH4 + 2O2 �¨ CO2 + 2H2O

2 answers

When gases are used you may use volumes as if it were mols.
560 L CO2 x (2 mol O2/1 mol CO2) = 560 x 2/1 = ?
THE ANSWER IS NOT 560