Electrochemistry Questions

The molar conductivities ${\Lambda }_{\text{NaOAc}}^{\circ }$ and ${\Lambda }_{\text{HCl}}^{\circ }$ at infinite dilution in water at $25^{\circ }\text{C}$ are $91.0$ and $426.2{\text{S cm}}^2/\text{mol}$ respectively. To calculate ${\Lambda }_{\text{HOAc}}^{\circ }$, the additional value required is:

Given at $25^{\circ }\text{C}$:$\text{AgI}+e^{-}\to \text{Ag}+{\text{I}}^{-},E^{\circ }=-0.152\text{V}$${\text{Ag}}^{+}+e^{-}\to \text{Ag},E^{\circ }=0.800\text{V}$ What is the value of $\log K_{sp}$ for $\text{AgI}$? ($\frac{2.303RT}{F}=0.059\text{V}$)

Resistance of a conductivity cell filled with a $0.1\text{M}$ solution of an electrolyte is $100\Omega$. The conductivity is $1.29{\text{S m}}^{-1}$. Resistance of the same cell when filled with $0.2\text{M}$ of the same solution is $520\Omega$. The molar conductivity of $0.2\text{M}$ solution of the electrolyte will be: