What mass of water will be produced from the complete combustion of 22.2 g of ethane according to the following reaction? 2C2H 6 +7O2—->4CO2 +6H2O

Answer 1

2C₂H₆ +7O₂ ==> 4CO₂ + 6H₂O ... balanced equation

22.2 g C₂H₆ x 1 mol C₂H₆ / 30 g x 6 mol H₂O / 2 mol C₂H₆ x 18 g H₂O / mol H₂O = 40.0 g H₂O