In an excess of NH3(aq), Cu2+ ion forms a deep bluecomplex ion, Cu(NH3)42+,which has a formation constantKf 5.6\times 1011. Calculatethe concentration of Cu2+ in asolution prepared by adding5.0\times 10-3molof CuSO4 to 0.480 L of 0.35MNH3.Express your answer using twosignificant figures.

Solution:Molarity = Number of moles / Volume of solution in L So, Molarity of Cu2+ = 5 x 10-3 mol…

Answered: In an excess of NH3(aq), Cu 2+ ion…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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In an excess of NH3(aq), Cu 2+ ion forms a deep blue complex ion, Cu(NH3)42+, which has a formation constant Kf 5.6\times 1011. Calculate the concentration of Cu2+ in a solution prepared by adding 5.0\times 10-3mol of CuSO4 to 0.480 L of 0.35 MNH3. Express your answer using two significant figures.