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The zinc chloride battery operates on the reaction Zn + Cl 2 ZnCl 2 .

The zinc chloride battery operates on the reaction Zn + Cl2 à ZnCl2. It has been suggested as a possibility for exploitation as a source of power for driving vehicles in that a bank of 118 such cells, connected in series, has a capacity of approximately 90 kW h.


(i)       Calculate the standard e.m.f (voltage) of the cell, noting the following standard electrode potentials.  .

(ii)      Calculate the mass of solid chlorine hydrate (Cl12●8H2O) which must be stored in the bank in order to sustain power capacity. Compare this with the amount of Cl2 required..

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i) The half cell reactions of the electrochemical cell is shown below. Zn(s) =Zn + (aq)+ 2e - E 0... View the full answer

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