Successive Dissociations of Polyprotic Acid
as Regulated by pH

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This Demonstration shows the chemical equilibria in a polyprotic acid dissociation reaction at a given pH:
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Contributed by: D. Meliga and S. Z. Lavagnino (February 2017)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Thumbnail: fractional composition diagram for generic acid. At low pH,
; therefore, species
is dominant.
Snapshot 1: The values with
are highlighted in the diagram.
Snapshot 2: The values with
.
Snapshot 3: Fractional composition bar chart for generic acid. Concentration of the different species at a given pH and verification of the
of each addend found in
.
Reference
[1] D. C. Harris, Quantitative Chemical Analysis, 8th ed., New York: W. H. Freeman and Company, 2010.
Permanent Citation