CH4 + 2O2----> CO2 + 2H2O
mols H2O = grams/molar mass H2O
Using the coefficients in the balanced equation, convert mols H2O to mols CH4.
Now convert mols CH4 to g. grams = mols x molar mass CH4
how many grams of CH4 (methane) must be burned to form 82.6g of H2O?
equation: CH4+O2----> CO2+H2O
1 answer