Hydrated copper(II) sulfate, a porcelain vessel, a balance, a Bunsen burner...
The empty porcelain vessel is weighed.
The porcelain vessel is weighed with the copper sulfate.
The copper sulfate is heated.
By dehydratation it changes its colour.
Anhydrous copper sulfate (without water).
The porcelain vessel is weighed with the anhydrous copper sulfate.
Hydrated copper(II) sulfate, a porcelain vessel, a balance, a Bunsen burner...
