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Calculate the Ksp for zinc hydroxide if the solubility of Zn (OH)2 in pure water is 2.1 x 10-4 g/L. 3.8 x 10-17 7.

Calculate the Ksp for zinc hydroxide if the solubility of Zn (OH)2 in pure water is 2.1 x 10-4 g/L. 3.8 x 10-17 7.

Chemistry
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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7:22 PM Sun Oct 24 93% A d6d35969-50ee-4130-9485-bf62d1fb0bdb.filesusr.com 7. Calculate the Ksp for zinc hydroxide if the solubility of Zn (OH)2 in pure water is 2.1 × 10-4 g/L. 3.8 x 10-17 8. Formic acid (HCO2H, Ką = 1.8 x 10-4) is the principal component in the venom of stinging ants. What is the molarity of a formic acid solution if 25.00 mL of the formic acid solution requires 29.80 mL of 0.0567 M NaOH to reach the equivalence point? a. Answer: 0.0676 M 7 b. Calculate the pH after 40.0 mL of NaOH was added? Answer: 12.06 What is the pH of the resulting solution if 40.0 mL of 0.432 M methylamine, CH3NH2, is added to 15.0mL of 0.234 M HCI? Assume that the volumes of the solutions are additive. Ka = 2.70 x 10-11 for CH3NH3+. 9. Answer: 11.16
Transcribed Image Text:7:22 PM Sun Oct 24 93% A d6d35969-50ee-4130-9485-bf62d1fb0bdb.filesusr.com 7. Calculate the Ksp for zinc hydroxide if the solubility of Zn (OH)2 in pure water is 2.1 × 10-4 g/L. 3.8 x 10-17 8. Formic acid (HCO2H, Ką = 1.8 x 10-4) is the principal component in the venom of stinging ants. What is the molarity of a formic acid solution if 25.00 mL of the formic acid solution requires 29.80 mL of 0.0567 M NaOH to reach the equivalence point? a. Answer: 0.0676 M 7 b. Calculate the pH after 40.0 mL of NaOH was added? Answer: 12.06 What is the pH of the resulting solution if 40.0 mL of 0.432 M methylamine, CH3NH2, is added to 15.0mL of 0.234 M HCI? Assume that the volumes of the solutions are additive. Ka = 2.70 x 10-11 for CH3NH3+. 9. Answer: 11.16
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