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 24pKa = pH at Vep/2 = 24/2=12

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 NaHSO 4 KHP – Potassium hydrogen phthalate KHSO 4