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A voltaic cell is constructed that uses the following reaction and operates at 298 K: Zn(s)+Ni2+(aq)→Zn2+(aq)+Ni(s)....

A voltaic cell is constructed that uses the following reaction and operates at 298 K:
Zn(s)+Ni2+(aq)→Zn2+(aq)+Ni(s).

A)

What is the emf of this cell when [Ni2+]= 3.70 M and [Zn2+]= 0.100 M ?

Express your answer using two significant figures.

B)

What is the emf of the cell when [Ni2+]= 0.270 M and [Zn2+]= 0.860 M ?

Express your answer using two significant figures.

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