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Upon titrating a weak acid with a strong base, the pH at the equivalence point is: less than 7 equal to 7 greater than 7 equal to pKa   2. Upon titrating a weak acid with a strong base, the pH at the half-equivalence point is: less than 7 equal to 7 greater than 7 equal to pKa

Upon titrating a weak acid with a strong base, the pH at the equivalence point is: less than 7 equal to 7 greater than 7 equal to pKa   2. Upon titrating a weak acid with a strong base, the pH at the half-equivalence point is: less than 7 equal to 7 greater than 7 equal to pKa

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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  1. Upon titrating a weak acid with a strong base, the pH at the equivalence point is:
    1. less than 7
    2. equal to 7
    3. greater than 7
    4. equal to pKa

 

2. Upon titrating a weak acid with a strong base, the pH at the half-equivalence point is:

    1. less than 7
    2. equal to 7
    3. greater than 7
    4. equal to pKa

 3.Describe the pH changes as large or small in the vicinity of the:

a. equivalence point       ____________________

b. half-equivalence point    ____________________

4. Refer to the figure to answer the questions a & b.

a. What is the pKa of the unknown acid? _______________

b. What is the Ka of the unknown acid? __________________

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