The molar conductivity of acetic acid at infinite dilution is 387 ohm-1 cm2 / mol. At the same temperature, but at a concentration of 1 mole in 1000 litres, it is 55 ohm-1 cm2 / mol. what is the percentage dissociation of acetic acid?

Degree of dissociation α = molar conducatance at the particular concentrationmolar conductance at infinite dilution   α = 55387 = 0.142 = 14.2 %

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