Let y kg is the amount of Coke oven gas

By solving we get y= 15.357 kg mole

 iii. Sulphur distribution

      (a) fraction of S in coke

      (b) fraction of S in coke oven gas

 iv. To calculate amount of air leaked in to coke oven.  balance is to be done  is inert.

Let Z kg mole is amount of air leaked.

In this problem air is moist. We have to find composition of moist air. It follows drom Dalton’s law;