This is a subjective question, hence you have to write your answer in the Text-Field given below. (a) A binary mixture of benzene and toluene containing 35% of benzene is to be distilled at 1 atm pressure and the bottoms are found to contain 5% benzene. Estimate amount of the bottoms, and the composition of the distillate obtained if distillation is carried out by differential distillation, collecting all the distillate together. The number of moles of feed can be taken as one mole. The average relative volatility of benzene to toluene is 2.5 and is constant. (5M) (b) Air is flowing across a slab with partial pressure of 2kN/m2 and it has saturation pressure of 30kN/m2. The atmospheric pressure can be taken as 101.3kN/m2.Calcuate the following (i) Relative humidity (ii) Specific humidity (5M)