\(\therefore \,\,S.T.P.\,\) એ \({{\text{H}}_{\text{2}}}\) વાયુનું કદ \(\,\, = \,\,\,{\text{0}}{\text{.00746}}\,\, \times \,\,{\text{11}}{\text{.1}} = \,\,\,{\text{0}}{\text{.0836}}\) લીટર
$C{u_{(s)}} + 2A{g^ + }_{(aq)} \to C{u^{2 + }}_{(aq)} + 2A{g_{(s)}}$