voltaic cell consists of an Zn/ Zn2+ half-cell and a Cd/ Cd2+ half-cell. The standard reduction potential for Zn2+ is -0.76V and for Cd2+ is -0.40V. Calculate Ecell at 25 degrees Celsius when the concentration of [Cd2+] = 1.72 x 10^-4 M and [Zn2+] = 8.03 x 10^-2 M.

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