Polyprotic acid: An acid that can donate more than one proton, each with its own Ka (Ka1 > Ka2 > Ka3).
How to apply it: Calculate pH of polyprotic acids using Ka1 for the first dissociation (dominant contribution).
Course: AP Chemistry · Unit: Acids and Bases
Practice questions about Polyprotic acid on AimFive — get rubric-based feedback showing exactly which points you earned.
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.