# Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 343.5 g of a mixture that is 50.8 % CH4 and 49.2% C3H8 by mass? (Note that the CH4 and C3H8 do not actually react with each other. Each of them reacts separately with oxygen.)

Question

Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 343.5 g of a mixture that is 50.8 % CH4 and 49.2% C3H8 by mass? (Note that the CH4 and C3H8 do not actually react with each other. Each of them reacts separately with oxygen.)