4. Consider the following three hydroxide salts: Zn(OH)2: Ksp = 4.5 x 10-¹7 La(OH)3: Ksp = 2.0 × 10-21 a. Write the dissolution reaction equation of Zn(OH)2. b. Write the dissolution reaction equation of La(OH)3. d. Calculate the molar solubility (M) of Zn(OH)2 in water. Give your answer with 3 sig figs. e. Calculate the molar solubility (M) of La(OH)3 in water. Give your answer with 3 sig figs. f. Would it have been possible to predict the relative solubility of the two salts above simply by comparing their Ksp values? Why or why not? g. What is the molar solubility (M) of zinc hydroxide at pH 9.36? Give your answer with 3 sig figs. Hint: take into account [OH] at this pH.

4. Consider the following three hydroxide salts: Zn(OH)2: Ksp = 4.5 x 10-¹7 La(OH)3: Ksp = 2.0 × 10-21 a. Write the dissolution reaction equation of Zn(OH)2. b. Write the dissolution reaction equation of La(OH)3. d. Calculate the molar solubility (M) of Zn(OH)2 in water. Give your answer with 3 sig figs. e. Calculate the molar solubility (M) of La(OH)3 in water. Give your answer with 3 sig figs. f. Would it have been possible to predict the relative solubility of the two salts above simply by comparing their Ksp values? Why or why not? g. What is the molar solubility (M) of zinc hydroxide at pH 9.36? Give your answer with 3 sig figs. Hint: take into account [OH] at this pH.

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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