Question

How many moles of water are there in hydrated copper sulfate?

Answer 1

Well, the common hydrate is the pentahydrate...

Explanation:

i.e. `CuSO_4*5H_2O`, so called `"blue vitriol..."`

...this salt demonstrates the chemical change associated with hydration by the marked colour change it undergoes upon reaction....

`underbrace(CuSO_4*5H_2O)_"deep blue"+Delta` `rarr` `underbrace(CuSO_4)_"white salt"+5H_2Ouarr`