a) Compute the voltage at 25°C of an electrochemical cell

a) Compute the voltage at 25°C of an electrochemical cell

(a) Compute the voltage at 25째C of an electrochemical cell consisting of pure cadmium immersed in a 2 ( 10-3 M solution of Cd2+ ions, and pure iron in a 0.4 M solution of Fe2+ ions.
(b) Write the spontaneous electrochemical reaction.