Calculation of Degree of Dissociation


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It is defined as the fraction of the total number of molecules undergoing dissociation at a given concentration.

Example: If 100 molecules of acetic acid are added to H2O of which 10 molecules ionise, then

or

1) If 0.1M acetic acid has 25% degree of dissociation, what is the concentration of H2 ion.

For weak electrolytes the increase of molar conductance with dilution is due to the increase in dissociation.



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