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Experiment 2

Experiment 2. pH Determination of pKa and Equivalent Weight. Goals. Perform ________________ titration Use titration data to _______________ Use ___________ to determine ______ Use data to determine ______________________ Use results to determine _________________________. The Titration.

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Experiment 2

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  1. Experiment 2 pH Determination of pKa and Equivalent Weight

  2. Goals • Perform ________________ titration • Use titration data to _______________ • Use ___________ to determine ______ • Use data to determine ______________________ • Use results to determine _________________________

  3. The Titration ACID BASE

  4. The Analysis pKa = pH at Vep/2 = 24/2=12 24

  5. First Derivative Method

  6. Equivalence Weight Eq. Wt. = For a monoprotic acid, it will be ________ _________________________ For a diprotic acid, it will be ___________ __________________________________

  7. Possible Unknowns • NaHSO4 • KHP – Potassium hydrogen phthalate • KHSO4

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