How to solve the following question? Question 1 A three parts evaporator is designed to reduce water from an incoming brine stream (F). A flowmeter at P3 reads a total flow of 14,670 lb/hr. Atomic weight of Na:23, CI:35.5, H:1, 0:16 Evaporator 1 NaCl H₂0 VI F (wt%) 25% ? P1 V2 The following is the mass composition of the streams: V2 V3 V1 (wt%) (wt%) (wt%) 0 7 100% ? Evaporator 2 0 ? P2 P1 (wt%) 33% ? (1) Determine the volume composition of Stream V1. 1 (ii) Determine the molar composition of Stream F. Evaporator 3 P2 (wt%) 50% ? V3 (iii) Determine the molar flowrate lb-mol/hr of Stream F. P3 (wt%) 97% ? (iv) Determine mass flowrates (lb/hr) of Streams V1, V2, V3 and P2. P3

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