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14) A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.100 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10-4. A) 3.22 B) 3.82 C) 3.69 D) 3.09 15) The molar solubility of Ba3(PO4)2 is 8.89 x 10-9 M in pure water. Calculate the Ksp for Ba3(PO4)2. A) 4.94 x 10-49 C) 5.33 x 10-37 B) 6.00 x 10-39 D) 8.16 x 10-31

14) A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.100 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10-4. A) 3.22 B) 3.82 C) 3.69 D) 3.09 15) The molar solubility of Ba3(PO4)2 is 8.89 x 10-9 M in pure water. Calculate the Ksp for Ba3(PO4)2. A) 4.94 x 10-49 C) 5.33 x 10-37 B) 6.00 x 10-39 D) 8.16 x 10-31

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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14) A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.100 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10-4. A) 3.22 B) 3.82 C) 3.69 D) 3.09 15) The molar solubility of Ba3(PO4)2 is 8.89 x 10-9 M in pure water. Calculate the Ksp for Ba3(PO4)2. A) 4.94 x 10-49 C) 5.33 x 10-37 B) 6.00 x 10-39 D) 8.16 x 10-31
Transcribed Image Text:14) A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.100 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10-4. A) 3.22 B) 3.82 C) 3.69 D) 3.09 15) The molar solubility of Ba3(PO4)2 is 8.89 x 10-9 M in pure water. Calculate the Ksp for Ba3(PO4)2. A) 4.94 x 10-49 C) 5.33 x 10-37 B) 6.00 x 10-39 D) 8.16 x 10-31
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