Question

Calculate V? If D = 52.2 moles and R is 1.64

(a) 138 moles

(b) 35 moles

(c) 450 moles

(d) 46 moles

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I need to ask this question from Constant Reflux Ratio topic in section Batch Distillation of Distillation Design

Answer 1

Right choice is (a) 138 moles

Explanation: As the V = D(R+1) = 52.2 (1.64+1) = 138 moles.