Question

Calculate the amount of carbon dioxide formed by the complete combustion of 80 g of

methane as per the equation CH4 + 2O2 → CO2 + 2H2O ​

Answer 1

Explanation:

You can work through this problem a couple of different ways. Here is one. The ratio of CO2 formed to CH4 is 1:1 and you can ratio the molecular weights to the amount of methane. The molecular weight of methane is 16 g/mol and carbon dioxide is 44 g/mol so:

44 g/mol /16 g/mol = x g/80 g ==> x = (80g) * 44/16

x = 220 g