1. An aqueous solution is prepared that is initially 0.100 M Cdl2. After the equilibrium is established, the solution is found to be 0.013 M in Cd2+. The products of equilibrium are Cd2+ (aq)and I (aq). a) Write the expression of equilibrium constant b) Find the value of K. c) What will be the Cd2+ concentration, if 0.400M moles of KI is added to 1.00 L of the solution in the question. d) A solution is prepared by mixing 0.500 L of the solution from part c and mixed with 0.500 L of 2.0 X 10-5 m NaOH. Write the reaction. e) Will Cd (OH)2 precipitate. (HINT: Q is less than Ksp, there will be no precipitate) f) When the initial solution is heated, the Cd2+ increases. Is the equilibrium endothermic or exothermic and why?

1. An aqueous solution is prepared that is initially 0.100 M Cdl2. After the equilibrium is established, the solution is found to be 0.013 M in Cd2+. The products of equilibrium are Cd2+ (aq)and I (aq). a) Write the expression of equilibrium constant b) Find the value of K. c) What will be the Cd2+ concentration, if 0.400M moles of KI is added to 1.00 L of the solution in the question. d) A solution is prepared by mixing 0.500 L of the solution from part c and mixed with 0.500 L of 2.0 X 10-5 m NaOH. Write the reaction. e) Will Cd (OH)2 precipitate. (HINT: Q is less than Ksp, there will be no precipitate) f) When the initial solution is heated, the Cd2+ increases. Is the equilibrium endothermic or exothermic and why?

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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