1500 kg of a solution containing 20% of Na2SO4 and 80% water by weight is subjected to evaporative cooling and 20% of original water evaporates. Calculate the yield of Na2SO4.10H2O crystals formed from solution, if the temperature of solution is reduced to 20oC. The solubility of anhydrous Na2SO4 in water at 20 oC is 19.4 gm per 100 gm of water.

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A:

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.