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Conductivity , Molar conductivity and Equivalent Conductivity

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Question

Molar conductance of 0.01M weak monoprotic acid is 45 mhocm2mole-1. Molar conductane of the same acid at infinite dilution is 450 mhocm2mol-1. pH of the acid solution is

Easy
Solution

For weak electrolytes; α=λcλ=45450=0.1;

H+= Cα  given C=0.01M

          = 0.01×0.1

         = 103

    pH = 3 


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