Law of dilution
Law of Ostwald for dissociation of electrolytes / From Wikipedia, the free encyclopedia
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Wilhelm Ostwald’s dilution law is a relationship proposed in 1888[1] between the dissociation constant Kd and the degree of dissociation α of a weak electrolyte. The law takes the form[2]
Where the square brackets denote concentration, and c0 is the total concentration of electrolyte.
Using , where is the molar conductivity at concentration c and is the limiting value of molar conductivity extrapolated to zero concentration or infinite dilution, this results in the following relation: