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16. What is the Ka of the conjugate acid whose base has a Kb equal to 1.5 x 10-8? b. 1.5 x 106 ansonoo noi-muinoibyrd d. 7.8 a. 1.0 x 10-14 c. 6.7 x 10-7 e. 6.2 as.E 08.0.6

16. What is the Ka of the conjugate acid whose base has a Kb equal to 1.5 x 10-8? b. 1.5 x 106 ansonoo noi-muinoibyrd d. 7.8 a. 1.0 x 10-14 c. 6.7 x 10-7 e. 6.2 as.E 08.0.6

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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**Educational Chemistry Problems: Acid-Base Equilibria** 16. **What is the Kₐ of the conjugate acid whose base has a Kb equal to 1.5 x 10⁻⁸?** - a. 1.0 x 10⁻¹⁴ - b. 1.5 x 10⁶ - c. 6.7 x 10⁻⁷ - d. 7.8 - e. 6.2 17. **What is the hydronium-ion concentration of stomach acid if the pH is 1.0?** - a. 0.10 M - b. 0.010 M - c. 0.0010 M - d. 0.00010 M - e. 10 M 18. **What is the hydroxide-ion concentration in pure water at 25°C?** - a. 1.0 x 10¹⁴ - b. 1.0 x 10⁻¹⁴ - c. 1.0 x 10⁻⁷ - d. 1.0 x 10⁷ - e. 7.0 19. **You have two solutions of HNO₃. Solution A has a pH of 3.00 and Solution B has a pH of 5.00. Which one of the following statements is true?** - a. Solution A has a higher concentration of HNO₃ than Solution B. - b. Solution B is more acidic than Solution A. - c. Solution A is more basic than Solution B. - d. Solution B has a higher concentration of H₃O⁺ ions. 20. **What holiday is coming up soonest? (Bonus)** - a. Independence Day - b. Thanksgiving Day - c. President’s Day - d. Christmas Day - e. Columbus Day
Transcribed Image Text:**Educational Chemistry Problems: Acid-Base Equilibria** 16. **What is the Kₐ of the conjugate acid whose base has a Kb equal to 1.5 x 10⁻⁸?** - a. 1.0 x 10⁻¹⁴ - b. 1.5 x 10⁶ - c. 6.7 x 10⁻⁷ - d. 7.8 - e. 6.2 17. **What is the hydronium-ion concentration of stomach acid if the pH is 1.0?** - a. 0.10 M - b. 0.010 M - c. 0.0010 M - d. 0.00010 M - e. 10 M 18. **What is the hydroxide-ion concentration in pure water at 25°C?** - a. 1.0 x 10¹⁴ - b. 1.0 x 10⁻¹⁴ - c. 1.0 x 10⁻⁷ - d. 1.0 x 10⁷ - e. 7.0 19. **You have two solutions of HNO₃. Solution A has a pH of 3.00 and Solution B has a pH of 5.00. Which one of the following statements is true?** - a. Solution A has a higher concentration of HNO₃ than Solution B. - b. Solution B is more acidic than Solution A. - c. Solution A is more basic than Solution B. - d. Solution B has a higher concentration of H₃O⁺ ions. 20. **What holiday is coming up soonest? (Bonus)** - a. Independence Day - b. Thanksgiving Day - c. President’s Day - d. Christmas Day - e. Columbus Day
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