A volume of 25.0 mL of a 0.20 M unknown weak acid is titrated with 0.10 M NaOH. After 15.0 mL base addition, the pH is measured at 2.92. Calculate the K of the a unknown acid. (Answer 5.1 × 10*) =
A volume of 25.0 mL of a 0.20 M unknown weak acid is titrated with 0.10 M NaOH. After 15.0 mL base addition, the pH is measured at 2.92. Calculate the K of the a unknown acid. (Answer 5.1 × 10*) =
Chemistry
10th Edition
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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Step 1: Gives values
Volume of weak acid (HA) = 25.0 ml
molarity of weak acid (HA) = 0.20 M
molarity of NaOH = 0.10 M
Volume of NaOH = 15.0 ml
pH = 2.92
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