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Pereira, Constantino Fernandez. 4 0

Predominance diagrams, a useful tool for the correlation of the precipitation-solubility equilibrium with other tonic equilibria. 6 6 - - - - - - - - . - . - 0 . - . - 0 .

ABSTRACT : The four types of ionic equilibria-acid-base, redox, precipitation, and complexation-have certain similarities, which has led some authors to develop a unified treatment of them. These authors have highlighted the common aspects and tried to find a systemization of the equilibria that would facilitate learning them. In this unified treatment, ionic reactions are interpreted as particle exchanges-involving protons, electrons, or ligands-between a donor and an acceptor of two conjugate pairs. The unified treatment proposes a graphic solution to the equilibria problems, using diagrams that employ the logarithm of the concentration of the exchanged particle as the variable. This paper presents the application of the precipitation-solubility equilibrium and describes the usefulness of such diagrams for solving solubility problems.





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Precipitation (Chemistry).;Separation (Technology).;Solution (Chemistry).;Solubility.;Ions.;Particles (Nuclear physics).;Chemical reactions.;Physics.;Chemistry, Physical and Theoretical. --------20--

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LC Class. No.: QD1 .J826ce / 2

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