The bottled butane gas is installed in an oven that can supply 0.125 g/hr .In a kitchen room of volume 32 m^3 (volume of air), the oven is made to operate for 2 hours. Assuming the kitchen room is closed, what is the mole composition of the atmosphere in the kitchen when combustion ceases. Conclude.

The average mole composition of air under the given conditions is:
Oxygen 21%
Nitrogen 79%
Carbon dioxide 0.03%