An evaporator is used to concentrate sodium chloride solution as shown in the diagram below (the compositions are in wt%).

1. Determine the composition of streams V and E

2.If the mass of final product (FP) is 70 kg, determine the mass of the other 5 streams.

Vapor (V) Feed (F) 30% NaCl 70% H2O Evaporator (E) Fresh Feed (FF) 10% NaCl 90% H2O 70 kg Final product (FP) 70% NaCl 30% H20 Recycle (R) 70% NaCl 30% H20