12. Using the Henderson-Hasselbalch equation, what is the pH of a phosphate buffer solution containing 1.0 M of sodium dihydrogen phosphate, NaH2PO4, and 0.50 M of sodium hydrogen phosphate, NazHPO.? The pKa of the acid is 7.21. H2PO, taq) + H2O9 H3C (ag) + HPO,² tag).

12. Using the Henderson-Hasselbalch equation, what is the pH of a phosphate buffer solution containing 1.0 M of sodium dihydrogen phosphate, NaH2PO4, and 0.50 M of sodium hydrogen phosphate, NazHPO.? The pKa of the acid is 7.21. H2PO, taq) + H2O9 H3C (ag) + HPO,² tag).

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter15: Complex Ion And Precipitation Equilibria

Section: Chapter Questions

Problem 68QAP

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12. Using the Henderson-Hasselbalch equation, what is the pH of a phosphate buffer solution
containing 1.0 M of sodium dihydrogen phosphate, NaH2PO4, and 0.50 M of sodium
hydrogen phosphate, NazHPO.? The pKa of the acid is 7.21.
H2PO, taq) + H2O9 H3C (ag) + HPO,² tag).

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