Answered: What is the solubility of M(OH)2M(OH)2…

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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Le Châtelier's principle tells us that an increase in either [A+][A+] or [B−][B−] will shift this equilibrium to the left, reducing the solubility of ABAB. In other words, ABAB is more soluble in pure water than in a solution that already contains A+A+ or B−B− ions. This is an example of the common-ion effect.

The generic metal hydroxide M(OH)2M(OH)2 has Ksp=5.85×10−18Ksp . (NOTE: In this particular problem, because of the magnitude of the KspKsp and the stoichiometry of the compound, the contribution of OH−OH− from water can be ignored. However, this may not always be the case.)

Part A

What is the solubility of M(OH)2M(OH)2 in pure water?

Express your answer with the appropriate units.

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Part B

What is the solubility of M(OH)2M(OH)2 in a 0.202 mol L−1mol L−1 solution of M(NO3)2M(NO3)2?

Express your answer with the appropriate units

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