Data Report Sheet #23

Name:________________ Section:__________________ Date:____________

CHAPTER 23: pK_a AND EQUIVALENT WEIGHTS

Data Report Sheet

Unknown #:

Grams of acid/liter:

<><><><><><><><><><><><><><><><><>Trial #1<><><><>Trial #2<><>

1. Volume of base at equivalence point (V₁):

2. Volume of base at 1/2 equivalence point (V_1/2):

3. pH at 1/2 equivalence point:

4. pK_a of unknown acid:

5. Molarity of base used:

6. Milliliters of base used:

7. Milliequivalents of base used:

8. Milliequivalents of acid in 10 mL sample:

9. Milligrams of acid in 10 mL sample:

10. Milliequivalent weight of acid:

11. Equivalent weight of unknown acid:

Mean pK_a of acid:

Mean equivalent weight of acid:

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