The polyprotic acid, H3X, has acid dissociation constants Ka1 = 1.3×10-1, Ka2 = 6.5×10-4, and Ka3 = 3.3×10-5. What is the Kc value of the following reaction at 25°C? HX2−(aq)+OH−(aq)⇋X3−(aq)+H2O(l)HX2−(aq)+OH−(aq)⇋X3−(aq)+H2O(l) Report your answer to two significant figures using E notation.

The polyprotic acid, H3X, has acid dissociation constants Ka1 = 1.3×10-1, Ka2 = 6.5×10-4, and Ka3 = 3.3×10-5. What is the Kc value of the following reaction at 25°C? HX2−(aq)+OH−(aq)⇋X3−(aq)+H2O(l)HX2−(aq)+OH−(aq)⇋X3−(aq)+H2O(l) Report your answer to two significant figures using E notation.

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases

Section16.5: Predicting The Direction Of Acid-base Reactions

Problem 1RC

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