The following is an alpha plot for a monoprotic weak acid, HA. 1.0 a 0.5 4 6 pH 8 10 12 14 HA A™ (1) Estimate the pH at which is there a 50:50 mixture of acid and conjugate base? (2) At pH = 10.0, most of the substance is in the form of ◊ a. HA b. A (3) What is the approximate fractional abundance of the acid at pH = 6.0?

The following is an alpha plot for a monoprotic weak acid, HA. 1.0 a 0.5 4 6 pH 8 10 12 14 HA A™ (1) Estimate the pH at which is there a 50:50 mixture of acid and conjugate base? (2) At pH = 10.0, most of the substance is in the form of ◊ a. HA b. A (3) What is the approximate fractional abundance of the acid at pH = 6.0?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter15: Complex Acid/base Systems

Section: Chapter Questions

Problem 15.37QAP

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