Concept
Version 9
Created by Boundless
Diprotic and Polyprotic Acids

Titration curve of carbonic acid
The titration curve of a polyprotic acid has multiple equivalence points, one for each proton. In carbonic acid's case, the two ionizing protons each have a unique equivalence point.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources: