Phosphoric acid, H3PO4, is a triprotic acid with Ka1 = 7.5 x 10-3, Ka2 = 6.3 x 10-8 and Ka3 = 4.8 x 10-13. What is the equilibrium constant for the reaction: HPO42-(aq) + H2O (ℓ) ⇆ H3O+ (aq)+ PO43-(aq)

Phosphoric acid, H3PO4, is a triprotic acid with Ka1 = 7.5 x 10-3, Ka2 = 6.3 x 10-8 and Ka3 = 4.8 x 10-13. What is the equilibrium constant for the reaction: HPO42-(aq) + H2O (ℓ) ⇆ H3O+ (aq)+ PO43-(aq)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Phosphoric acid, H₃PO₄, is a triprotic acid with K_a1 = 7.5 x 10^-3, K_a2 = 6.3 x 10^-8 and K_a3 = 4.8 x 10^-13. What is the equilibrium constant for the reaction:
HPO₄^2-(aq) + H₂O (ℓ) ⇆ H₃O⁺ (aq)+ PO₄^3-(aq)

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