Department of Chemistry and Chemical Biology

PPT Slide

    Acid-Base Titrations

    Weak Acid-Strong Base Titrations
  • There is an excess of acetic acid before the equivalence point.
  • Therefore, we have a mixture of weak acid and its conjugate base.
    • The pH is given by the buffer calculation.
      • First the amount of C2H3O2- generated is calculated, as well as the amount of HC2H3O2 consumed. (Stoichiometry.)
      • Then the pH is calculated using equilibrium conditions. (Henderson-Hasselbalch.)

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Last modified: Tuesday, April 01, 2003