Reduction half-reactions with corresponding standard half-cell potentials are shown below.
Zn2+(aq)+ 2 e- → Zn(s)E° = - 0.76 V
Al3+(aq)+ 3 e- → Al(s)E° = - 1.66 V
The standard potential for the galvanic cell that uses these two half-reactions is ________ V.
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