Sodium phosphate has 3 ionizable groups, with pKa’s of 2.2, 7.2, and 12.3. You have 250 mL of a 200 mM sodium phosphate solution at pH 6.8. You add 2.0 mL of 5.0 M sodium hydroxide to the solution. What’s the new pH?

Sodium phosphate has 3 ionizable groups, with pKa’s of 2.2, 7.2, and 12.3. You have 250 mL of a 200 mM sodium phosphate solution at pH 6.8. You add 2.0 mL of 5.0 M sodium hydroxide to the solution. What’s the new pH?

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter22: Organic And Biological Molecules

Section: Chapter Questions

Problem 133AE: All amino acids have at least two functional groups with acidic or basic properties. In alanine, the...

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