Add a spatula of copper(II) oxide powder ... a conical flask. 5. Add the reaction mixture from the beaker to the filter paper. 6. Collect the filtrate, which is the copper(II) sulfate solution.

Fit the filter funnel into a conical flask. 5. Add the reaction mixture ... all the water in the evaporating basin leaves the copper sulfate solution. 12. Allow the evaporating basin to cool ...