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The symbol I is used to denote inerts. The molar composition of the fresh feed is 24.75%N2.74.25%H2. and 1.00% inerts. The single pass conversion of N2 is 25% and the mole percent of inerts in the recycle stream is 12.5%. Calculate: (a) the overall conversion of N2 (b) the moles of purge gas per mole of fresh feed (c) the moles fod to the reactor per mole of fresh feed (25 marks)