Equivalence Points and Inflexion Points in Acid-Base Titration Curves

Author:

Stokes RH

Abstract

General equations are derived for the relation between pH and stoichiometric degree of neutralization in the titration of monoprotic and diprotic weak acids (or bases) with strong acid or strong base. From these equations the number and position of inflexion points in the curves is derived, and their relation to the equivalence points is shown. Methods for determining ionization constants from inflexion points are discussed.

Publisher

CSIRO Publishing

Subject

General Chemistry

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