Calculate `lambda_m^@` for `MgCl_2` if `lambda^@` value for `Mg^(2+)` ion and `Cl^(-)` ion are `106 S cm^2 mol^(-1)` and 76.3 S `cm^2 mol^(-1)` respectively.

The molar conductivities of NH_(4)^(+) ion and Cl^(-) ion are 73.5 mho cm^(2) mol^(-1) and 76.2 mho cm^(2) mol^(-1) respectively. The specific conductivity of 0.1 M NH_(4)Cl is 1.288 xx 10^(-2) mho cm^(-1) . What is the dissociation constant of NH_(4)Cl ?

At 298 K, The specific conductivity of a saturated solution of silver chloride in water is 2.30xx10^(-5)Scm^(-1) . Calculate its solubility in gL^(-1) at 298 K. Given lambda_(m)^(@)(Ag^(+))" and "lambda_(m)^(@)(Cl^(-)) are 61.9 and 76.3 S cm^(2)mol^(-1) respectively.

Calculate lambda_(m)^(@) for NH_(4)OH given that values of lambda_(m)^(@) for Ba(OH)_(2), BaCl_(2) and NH_(4)Cl as 523.28, 280.0 and 129.8 S cm^(2) mol^(-1) respectively

The molar conductance of acetic acid at infinite dilution if Lambda^@ for CH_3 COONa,NACI and HCI are 91.0, 126.5 and 426.2 S cm^2 "mol"^(-1) respectively is :