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Chemistry · Ch 5 — Electrochemistry

Molar conductivity and degree of dissociation of weak electrolytes

5.3.8

Molar conductivity and degree of dissociation of weak electrolytes

The degree of dissociation (α\alpha) of a weak electrolyte is related to its molar conductivity at a given concentration cc by the equation

α=ΛcΛ0...(5.12)\alpha = \frac{\Lambda_c}{\Lambda_0} \qquad \text{...(5.12)}

where Λc\Lambda_c is the molar conductivity of the weak electrolyte at concentration cc, and Λ0\Lambda_0 is its molar conductivity at zero concentration. …