What will be the molar conductivity of $A{l}^{3+}$ ions at infinite dilution if molar conductivity of $A{l}_2(S{O}_4{)}_3$ is $858$ $S.c{m}^2$ $mo{l}^{-1}$ and ionic conductance of $S{O}_4^{2-}$ is $160$ $S.c{m}^2$ $mo{l}^{-1}$ at infinite dilution?

Calculate the molar conductivity of water at infinite dilution (in Sm${}^2$ mol${}^{-1}$ ).

(molar conductivity of hydrogen ions and the molar conductivity of hydroxide ions at infinite dilution are $349.6\times {10}^{-4}$Sm${}^2$ mol${}^{-1}$ and $198.3\times {10}^{-4}$Sm${}^2$ mol${}^{-1}$ )

The molar ionic conductance at infinite dilution of $M{g}^{2+}$ and $C{l}^{-}$ ions are $106.1$ and $76.3{\text{S cm}}^2{\text{mol}}^{-1}$ respectively. The molar conductance of a solution of $MgC{l}_2$ at infinite dilution is: