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An aqueous solution of Na2Co3 containing 15% Na2Co3 & 85% H2O is cool to temperature of 278kelvin and hydrated crystal of Na2Co3.10H2O are obtained. The

An aqueous solution of Na2Co3 containing 15% Na2Co3 & 85% H2O is cool to temperature of 278kelvin and hydrated crystal of Na2Co3.10H2O are obtained. The solubility of Na2Co3 at 278 kelvin is 9% by weight. For 100 kg of feed solution. Find amount of hydrated crystal produced and water evaporated. If 80% Na2Co3 present in feed is recovered in hydrated crystal.

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