A fresh feed stream flowing at a rate of 100 kg/min consists of the mass fractions 0.4 A, 0.1

B, and 0.5 C and enters an evaporator where the evaporator product stream leaving from the

top of the evaporator contains 0.8 mol fraction A and the balance is B and C. Sixty percent

of the evaporator product stream is recycled and combined with the fresh feed stream. The

evaporator product stream consists of 0.3 mass fractions A and 0.125 mass fractions B, andthe balance is C. Draw and label the process flow sheet and determine the flow rate and

mass fraction of A in the evaporator feed streams.

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