What is the pH of a solution of Na₂HPO3?(The pK₂ values for H3PO3 are: pKa1 = 2.15, pKa2 = 7.20, pKa3 = 12.35)O 9.7807.204.6812.35

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Answered: What is the pH of a solution of…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter17: Electrochemistry And Its Applications

Section: Chapter Questions

Problem 95QRT

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What is the pH of a 0.950 M solution of Na2HPO4? H3PO4 is a weak polyprotic acid with Ka1 = 7.2×10‒3, Ka2 = 6.3×10‒8, and Ka3 = 4.2×10‒13.
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What is the pH of a solution of Na₂HPO3? (The pK₂ values for H3PO3 are: pKa1 = 2.15, pKa2 = 7.20, pKa3 = 12.35) O 9.78 07.20 4.68 12.35