At 20∘C, a 200 g saturated NaCl solution is heated until 40 g of water is evaporated. Then, the solution is cooled down back to 20∘C. What is the mass of NaCl that is separated out from the solvent in grams?
Details and Assumptions:
The solubility of NaCl at 20∘C is 36 g/100 g water