1. The mixture containing 40% Benzene by Weight - 60% Toluene shall be distilled in a continuously operating distillation column with the upper product (n/n) 97% benzene and the lower product (n/n) 98% toluene. The speed of the feed current is 13000kg/h, the backflow rate is 3.5:1 mol top product. For the case where the feed is liquid at the boiling point, calculate the minimum yield rate (RDmin)? x 0.02 0.04 0.05 0.07 0.09 0.09 0.14 0.21 0.43 0.60 0.78 0.85 0.93 0.99 y 0.04 0.09 0.14 0.21 0.22 0.24 0.32 045 0.68 0.80 0.91 0.95 0.97 0.99

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