Practice question
Question
The degree of dissociation of a weak acid is 0.02, and its molar conductivity at infinite dilution is 400 S cm² mol⁻¹. What is its molar conductivity at that concentration?
Explanation
α = (Lambdam/Lambdam°) , 0.02 = (Lambdam/400) , Lambdam = 8 S cm² mol⁻¹ .