Using these metal ion/metal standard reduction potentials

Zn2+(aq)|Zn(s)   ,   Eo = -0.76

Ni2+(aq)|Ni(s)   ,   Eo = -0.25

Calculate the standard cell potential for the cell whose reaction is

(Ni2+(aq)  +  Zn(s)   ↔  Zn2+(aq)+ Ni(s

   

0.51+ 
   

1.01-
   

1.01+
   

0.51-