Question

The resistivity of a $0.8 M$ solution of an electrolyte is $5 \times 10^{-3} \Omega cm$ Its molar conductivity is ____ $\times 10^4\, \Omega^{-1}\, cm ^2 \,mol ^{-1}$

Answer 1

Λm​=Mκ×1000​
Λm​=ρ1​×M1000​
5×10−31​×0.81000​
So , correct answer is 25×104Ω−1cm−2mol−1