The dissociation parameters for the dilute (0.0001-0.01M) solutions of cis and trans-1,2-cyclopropanedicarboxylie acids were calculated with the aid of the new original method for analysis the regularities of electrolytic dissociation of weak multibasic organic acids with the effect of "overlapping" equilibria. The equations for determination the regions of predominance of various charged and uncharged forms of these acids were also described.
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