Preparing Copper(II) Sulphate (solutions, examples
Preparing Copper(II) Sulphate How to make copper sulphate (soluble salt) from an insoluble base (copper oxide) and sulphuric acid? Method 1. Pour 25 cm 3 of sulfuric acid into a beaker. 2. Add in excess copper(II) oxide. 3. Heat the beaker and stir until reaction is complete. 4. Filter off the unreacted solid, collecting the clear blue solution