When ammonium (NH4*) is placed in water, a chemical reaction occurs and an equilibrium is established as shown below. NH4+ (aq) + H₂O (1) NH3 (aq) + H3O+ (aq) The pKa of NH4* is 9.25. Predict whether the acid form (NH4*) or the base form (NH3) is predominant at pH = 7.4. Explain your answer.

When ammonium (NH4) is placed in water, a chemical reaction occurs and an equilibrium is established as shown below. NH4+ (aq) + H₂O (1) NH3 (aq) + H3O+ (aq) The pKa of NH4 is 9.25. Predict whether the acid form (NH4*) or the base form (NH3) is predominant at pH = 7.4. Explain your answer.

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

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When ammonium (NH4*) is placed in water, a chemical reaction occurs and an equilibrium is established as shown below.
NH4+ (aq) + H₂O (1) ≥ NH3 (aq) + H3O+ (aq)
The pk of NH4* is 9.25. Predict whether the acid form (NH4*) or the base form (NH3) is predominant at pH = 7.4. Explain your answer.

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