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A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions? _____ V (b) What is the emf of this cell when [Ni2+] = 3.36 M and [Zn2+] = 0.124 M? ____ V (c) What is the emf of the cell when [Ni2+] = 0.196 M and [Zn2+] = 0.838 M? _____V

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