Copper(II) sulfate, also known simply as copper sulfate (chemical formula: CuSO4), is the most commonly-used copper compound in laboratories. Due to the fact that it is commercially available (in fact, it is very widely available in many areas), it is not commonly prepared in laboratories.
That is why I am going to show you how to make copper sulfate here.
This is the more simple and straightforward way to make it:
Copper + Sulfuric acid → Copper sulfate + Sulfur dioxide + Water
Cu (s) + 2 H2SO4 (l) → CuSO4 (aq) + SO2 (g) + 2 H2O (l)
If you don't have sulfuric acid available, you can use this method, although you will need to pass an electric current through it with 2 electrodes made of copper to carry out electrolysis:
Cu (s) + MgSO4 (aq) + 2 H2O → CuSO4 (aq) + Mg(OH)2 (s) + H2 (g)
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