87.9 Electrode potential and electromotive forces .9.4 pH-dependence of Pourbaix diagram Construction of Pourbaix diagram (1) When we plate Cu, why do we use acidic copper sulfate solution? (2)When we anodize copper in neural solution Cu Cu(oH)2 what phenomenon can we observed? Cuo Cuo Cu 02468101214Construction of Pourbaix diagram Cu2+ Cu(OH)2 Cu pH  / V 0 2 4 6 8 10 12 14 CuO2 2− Cu2O 7.9.4 pH-dependence of  : Pourbaix diagram (1) When we plate Cu, why do we use acidic copper sulfate solution? (2) When we anodize copper in neural solution, what phenomenon can we observed? §7.9 Electrode potential and electromotive forces