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You have a solution of a weak acid. The solution contains approximately 80% HA and 20% A- at pH 8. The pKa of the weak acid HA is MOST LIKELY to be ____________. 7.0 7.4 8.0 8.6 9.0

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter15: Additional Aqueous Equilibria

Section: Chapter Questions

Problem 105QRT: Apatite, Ca5(PO4)3OH, is the mineral in teeth. On a chemical basis explain why drinking milk...

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Question

You have a solution of a weak acid. The solution contains approximately 80% HA and 20% A-
at pH 8. The pKa of the weak acid HA is MOST LIKELY to be ____________.
7.0
7.4
8.0
8.6
9.0

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