A solution contains 20% Na2SO4, 15% Na2CO3, and the balance H2O. This is solution is passed through an evaporator that removes water with mass equal to 10% of the feed. 20% of the Na2SO4 in the...

A solution contains 20% Na2SO4, 15% Na2CO3, and the balance H2O. This is solution is passed through an evaporator that removes water with mass equal to 10% of the feed. 20% of the Na2SO4 in the original solution was crystallized as Na2SO4·10H2O, and 30% of the Na2CO3 as Na2CO3·10H2O.

1. Calculate the composition of the mother liquor stream as % Na2SO4, % Na2CO3, and % H2O.

2.  Calculate the composition of the crystal stream as % Na2SO4x10H2O, % Na2CO3x10H2O.