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A voltaic cell is constructed that uses the following reaction and operates at 298 K. Zn(s)...

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Chemistry

A voltaic cell is constructed that uses the following reactionand operates at 298 K. 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+] = 2.24 M and [Zn2+]= 0.112 M?_____ V

(c) What is the emf of the cell when [Ni2+] = 0.298 M and [Zn2+]= 0.925 M?____ V

Answer & Explanation Solved by verified expert
3.8 Ratings (324 Votes)
Ni2aq 2 e Nis here Eo 0257 Zns Zn2aq 2 e here Eo 0763 so Zns Ni2aq Zn2aq Nis has Eo 0506 volts n 2 moles of electrons nernst    See Answer
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