A 50.0 mL solution of 0.186 M sulfurous acid (H,SO, ) is titrated with 0.186 M NaOH. The pK values of sulfurous acid are 1.857 (pKal) and 7.172 (pKa2). Calculate the pH at the first equivalence point. pH = Calculate the pH at the second equivalence point.

A 50.0 mL solution of 0.186 M sulfurous acid (H,SO, ) is titrated with 0.186 M NaOH. The pK values of sulfurous acid are 1.857 (pKal) and 7.172 (pKa2). Calculate the pH at the first equivalence point. pH = Calculate the pH at the second equivalence point.

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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Question

A 50.0 mL solution of 0.186 M sulfurous acid (H, SO, ) is titrated with 0.186 M NaOH. The pKa values of sulfurous acid are
1.857 (pKal) and 7.172 (pKa2).
Calculate the pH at the first equivalence point.
pH =
Calculate the pH at the second equivalence point.
pH =

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