Part D

Copper oxide + sulfuric acid => water and copper sulfate

CuO_(s) + H₂SO_4(aq)=> H₂O_(l) + CuSO_4(aq)

Step 1 To the black solid obtained in part C add 50 mL of 3M sulfuric acid while stirring

What do you observe?

Why does the solution turn from black to blue?

A blue colour in a solution suggests the presence of which ion?

Click to see the reaction.