Chem LibreTexts - Acids and Bases
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Open general chemistry textbook chapters covering acid-base definitions, ionization constants, pH calculations, polyprotic acids, buffers and hydrolysis, with worked examples and exercises. Suited to working through the theory at your own pace alongside a course.
More resources on Acids, Bases & Equilibrium
Physical Chemistry
Ten-module University of Manchester course covering first-year thermodynamics, chemical kinetics and quantum chemistry. Working through the assignments, you can apply the laws of thermodynamics, derive rate laws, and interpret atomic and molecular spectra.
Khan Academy - Acid-Base Equilibria
AP Chemistry unit on Brønsted-Lowry acids and bases, pH and pOH, weak acid and base equilibria, buffers, and titration curves, with worked videos and graded practice. Completing it prepares learners for exam-style equilibrium problems.
chemcollective.org/equil
ChemCollective is a free online chemistry education resource that provides interactive virtual labs and scenario-based activities. The Equil section offers interactive simulations, tutorials, and practice problems on chemical equilibrium, acids and bases, Le Châtelier's principle, and related concepts.