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Choose the effective pH range of a HBRO/ Bro- buffer. For hypobromous acid, the value of Kb is 4.8 x 10-6. 11. a) 4.3-6.3 b) 7.7-9.7 c) 10.3-12.3 d) 1.4-3.4 e) 2.1-4.1 12. What is the pH of an aqueous solution with equilibrium concentrations of 0.011 M HF (K, = 3.5 x 10-4) and 0.015 M NaF? %3D a) 1.95 b) 2.46 c) 3.33 d) 3.59 e) 5.27

Choose the effective pH range of a HBRO/ Bro- buffer. For hypobromous acid, the value of Kb is 4.8 x 10-6. 11. a) 4.3-6.3 b) 7.7-9.7 c) 10.3-12.3 d) 1.4-3.4 e) 2.1-4.1 12. What is the pH of an aqueous solution with equilibrium concentrations of 0.011 M HF (K, = 3.5 x 10-4) and 0.015 M NaF? %3D a) 1.95 b) 2.46 c) 3.33 d) 3.59 e) 5.27

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**11. Choose the effective pH range of a HBrO/BrO⁻ buffer. For hypobromous acid, the value of K_b is 4.8 × 10⁻⁶.** a) 4.3–6.3 b) 7.7–9.7 c) 10.3–12.3 d) 1.4–3.4 e) 2.1–4.1 **12. What is the pH of an aqueous solution with equilibrium concentrations of 0.011 M HF (K_a = 3.5 × 10⁻⁴) and 0.015 M NaF?** a) 1.95 b) 2.46 c) 3.33 d) 3.59 e) 5.27
Transcribed Image Text:**11. Choose the effective pH range of a HBrO/BrO⁻ buffer. For hypobromous acid, the value of K_b is 4.8 × 10⁻⁶.** a) 4.3–6.3 b) 7.7–9.7 c) 10.3–12.3 d) 1.4–3.4 e) 2.1–4.1 **12. What is the pH of an aqueous solution with equilibrium concentrations of 0.011 M HF (K_a = 3.5 × 10⁻⁴) and 0.015 M NaF?** a) 1.95 b) 2.46 c) 3.33 d) 3.59 e) 5.27
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