1. The problem statement, all variables and given/known data A mixture of 10cm^3 of methane and 10cm^3 of ethane was sparked with an excess oxygen . After cooling to room temperature , the residual gas was passed through aqueous potassium hydroxide What volume of the gas absorbed by the alkali ? 2. Relevant equations N/A 3. The attempt at a solution I have no idea for the solution . Any hint ?