Conductance in Electrolytic Solutions — Prelims Questions

The resistance of a $0.01,M$ solution of an electrolyte was found to be $210,Omega$ at $298,K$. The cell constant is $0.88,cm^{-1}$. Calculate the molar conductivity of the solution.

Which of the following statements is INCORRECT regarding electrolytic conductance?

Given the limiting molar conductivities: $Lambda_m^0(NaCl) = 126.4,S cdot cm^2 cdot mol^{-1}$, $Lambda_m^0(HCl) = 425.9,S cdot cm^2 cdot mol^{-1}$, $Lambda_m^0(CH_3COONa) = 91.0,S cdot cm^2 cdot mol^{-1}$. Calculate the limiting molar conductivity for acetic acid ($CH_3COOH$).

The conductivity of $0.20,M$ solution of KCl at $298,K$ is $0.0248,S cdot cm^{-1}$. Calculate its molar conductivity.

The molar conductivity of a $0.001,M$ acetic acid solution is $4.95,S cdot cm^2 cdot mol^{-1}$. If the limiting molar conductivity of acetic acid is $390.5,S cdot cm^2 cdot mol^{-1}$, calculate its degree of dissociation ($alpha$).

Which of the following factors does NOT affect the molar conductivity of an electrolytic solution?