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Understanding Acid-Base Equilibria and Titration Curves

Explore the fundamentals of acid-base equilibria, including the self-ionization of water and key equations related to weak and strong acids and bases. Delve into concepts such as acid dissociation, base dissociation, and hydrolysis in buffer systems. This comprehensive guide covers the dynamics of titration curves for weak acids with strong bases and strong acids with weak bases. Learn about critical processes that shape the behavior of acid-base reactions in various scenarios. Perfect for students and anyone interested in chemistry concepts.

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Understanding Acid-Base Equilibria and Titration Curves

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  1. k = Ae-Ea/RT

  2. Titration Curves Weak acid with strong base: Strong acid with weak base: http://www.chemguide.co.uk/physical/acidbaseeqia/phcurves.html

  3. Acid-base Equilibria Important Equations: Self-ionization of water: H2O  H+ + OH- Kw = [H+][OH-] = 1.0 x 10-14 Acid dissociation: HA + H2O  H3O+ + A- HA  H+ + A- Base dissociation (e.g. NaOH, KOH): BOH  B+ + OH- Base hydrolysis (e.g., NH3): B + H2O  BH+ + OH-

  4. Acid-base Equilibria (cont’d) Hydrolysis of the conjugate base of an acid: A- + H2O  HA + OH- Note that: = [H+][OH-] = Kw In a buffer system:

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