Given that the Kf for [Ni(H2O)5(NH3)]2+ is 501 and Ka for NH4+ is 2.0 x 10-5, what is the equilibrium constant for the following reaction: Ni2+(aq) + NH4+(aq) --> [Ni(H2O)5(NH3)]2+ + H+(aq) In a solution of 0.010 M Ni2+ and 0.010 M NH4+, will this reaction favor products or reactants at pH=1? pH=7? pH=12? how do you find the concentration of [Ni(H2O)5(NH3)]2+?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section14.9: Lewis Acids And Bases
Problem 14.27E
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Given that the Kf for [Ni(H2O)5(NH3)]2+ is 501 and Ka for NH4+ is 2.0 x 10-5, what is the equilibrium constant for the following reaction:

Ni2+(aq) + NH4+(aq) --> [Ni(H2O)5(NH3)]2+ + H+(aq)

In a solution of 0.010 M Ni2+ and 0.010 M NH4+, will this reaction favor products or reactants at pH=1? pH=7? pH=12?

how do you find the concentration of [Ni(H2O)5(NH3)]2+?

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