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in this experiment the water of crystallisation is removed from hydrated blue copper(II) sulfate. After cooling the anhydrous copper(II) sulfate formed is then rehydrated with the same waterStudents remove the water of crystallisation from hydrated copper(II) sulfate by heating. Condensing the vapour produced in a second test tube collects the water. The white anhydrous copper(II) sulfate is then rehydrated and the blue colour returns.
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in this method hcs transfer to acs
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