1. A 21 L container holds the 2.3 kg of ethane gas, C2H6, 11.8 kg of methane gas, CH4, and 1.1 kg propane gas, C3H8 and a unknown of another gas. Determine the numbers of the other gas are in the container?
2. Write down the balanced equation for the complete combustion of the C12H22O11 in excess oxygen.