20. A standard copper-scandium cell is constructed and the cell potential measured. The

voltmeter indicates that copper metal is the cathode.

Cu(s) Cu²+ (aq) || Sc³+ (aq) | Sc(s)

A Eº=+2.36 V

Write and label the half-reaction and net equations and calculate the standard reduction

potential of the scandium ion (refer to table at back, p. 805).