what happens when a saturated solution of copper sulphate is allowed to evaporate
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when copper sulphate solution evaporates it leaves copper sulphate crystals
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If a saturated solution of copper sulphate is allowed to evaporate the we will get coppee sulfate crystals. These crystals are royal blue in colour.The molecular formula of cooper sulfate is CUSO4. 5H2O. Copper sulfate pentahydrate crystals contain water of crystallisation.Hence if we want to store finished crystal,we have to keep it in a sealed container. Otherwise, water will evaporate from the crystals,making them dull and powdery from efflorescence. The gray or greenish powder is nothing but the the anhydrous form of copper sulfate.
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