sapling learning Consider two cells, the first with Al and Ag electrodes, and th

Question

sapling learning Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions. a) If connected as voltaic cells in series, which two metals are plated, and what is the total potential? Al(s) Number M Ag(s) E 2.96 Zn(s) Ni(s) b) If connected such that one cell acts as a battery to power the other as an electrolytic cell, which two metals are plated, and what is the total potential? Al(s) Number M Ag(s) E 1.98 M Zn(s) Ni(s) c) If 4.10 g of metal is plated in the voltaic cell, how much metal is plated in the electrolytic cell? Number Previous Give Up & View Solution Check Answer Next Exit Hint

Explanation / Answer

Answer of (a) and (b) are correct (given in the question itself).

(a)Plated Ni and Ag at 2.96 V

(b)Plated Ag and Zn at 1.98 V

(c) [(4.10g /Molar mass of Ag)/2] x molar mass of Zn

= [(4.10 / 107.868 / 2] x 65.38

= [0.038 / 2] x 65.38

= 1.24 g zn

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