A 100.0 kmol/h stream that is 97 mole% carbon tetrachloride (CCl4) and 3.0 mole% carbon disulfide (CS2) is to be recovered from the bottom of a distillation column. The feed to the column is 16 mole% CS2 and 84 mole% CCl4 and 98 mole% of the CCl4 entering the column is contained in the stream leaving the bottom of the column. (a) Calculate the mole fraction of CCl4 in the overhead stream. (b) What is the molar flow rate of CS2 in the feed stream (kmol/h)?

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