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a) Carbon tetrachloride is made by the chlorination of carbon disulphide as shown: CS2+3Cl2CCl4+S2Cl2 The product gas from a vapour phase reactor contains 26.1moleCCl4,26.1 mole\% S2Cl2, 17.4 mole\% CS2 and 30.4 mole\% Cl2. Calculate (i) the percentage excess reactant (ii) the percentage conversion (iii) kgCCl4 made per 100kgCl2 converted in the reactor Atomic weights: Ch12;S32;Cl35.5 ( 12 marks) (b) Acrylonitrile is made from propylene, ammonia and oxygen: C3H6+NH3+7/2O2C3H3N+3H2O The feed contains 10 mole\% propylene, 12 mole\% ammonin and 78 mole\% air. The conversion for the limiting reactant in 30%. Calculate the extent of reaction and the product composition in mole\%. Arsume air is 79 mole\% nitrogen and 21 mole\% oxygen (13 marks)