\( = \lambda _m^\infty \,(BaC{l_2})\, = \,\lambda _m^\infty ({H_2}S{O_4})^-\, - 2\lambda _{(HCl)}^\infty \)
\( = \,{x_1}\, + \,{x_2}\, - \,2{x_3};\) \(\lambda _e^o\, = \frac{1}{2}\lambda _m^o\,(BaS{O_4})\)
$M{g^{2 + }} + 2{e^ - } \to Mg(s);\,\,E = - 2.37\,V$
$C{u^{2 + }} + 2{e^ - } \to Cu(s);\,\,\,E = + 0.33\,V$
[આપેલ : ફેરાડે અચળાંક $F =96500\,C\,mol ^{-1}$ $STP$ પર, આદર્શ વાયુ નું મોલર કદ $22.7\,L\,mol ^{-1}$ છે. ]