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Formulate the galvanic cell in which the...

Formulate the galvanic cell in which the following reaction takes place.
`Zn (s) + 2Ag^(+) ( aq) rarr Zn^(2+) (aq) + 2Ag(s)`
(i) Which one of its electrodes is negatively charged ?
(ii) The reaction taking place at each of its electrode.
(iii) The carriers of current within this cell.

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