What happens if you put copper sulfate crystals in the water?
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when a compound dissolves in water, it dissociates to form ions.
CuSO4 (s) + HOH (l) --> Cu^+2 (aq) + SO4^-2 (aq) + HOH (l)
where the s stands for solid, the l for liquid, and the aq for an aqueous solution in water.
The reaction between anhydrous copper(II) sulfate and water is used as a test for water. The white solid turns blue in the presence of water.
The backward reaction is exothermic - energy is transferred to the surroundings when it happens. This is easily observed. When water is added to anhydrous copper sulfate, enough heat is released to make the water bubble and boil.
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Copper sulphate turns blue due to the formation of hydrated copper sulphate, that is, CuSO4.5H2O.
I hope it helped................
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