Calculate the pH of a base buffer solution composed of 0.20 M NH3 and 0.15 M NH4Cl after the addition of 0.10 M HCl. The Kb of NH3 at 25oC is 1.80 × 10-5. What is the pH of a buffer solution that is 0.350 M ethylamine and 0.200 Methylammonium chloride, after the addition of 0.100 M HNO3? The value of Kb forethylamine is 4.7 x 10-4. What is the pOH of a buffer solution that is 0.150 M chloroacetic acid and 0.250 Msodium chloroacetate, after the addition of 0.100 M HNO3? The value of Kaforchloroacetic acid is 1.3 x 10-3.
Calculate the pH of a base buffer solution composed of 0.20 M NH3 and 0.15 M NH4Cl after the addition of 0.10 M HCl. The Kb of NH3 at 25oC is 1.80 × 10-5. What is the pH of a buffer solution that is 0.350 M ethylamine and 0.200 Methylammonium chloride, after the addition of 0.100 M HNO3? The value of Kb forethylamine is 4.7 x 10-4. What is the pOH of a buffer solution that is 0.150 M chloroacetic acid and 0.250 Msodium chloroacetate, after the addition of 0.100 M HNO3? The value of Kaforchloroacetic acid is 1.3 x 10-3.
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
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 43E: Calculate the pH after 0.010 mole of gaseous HCl is added to 250.0 mL of each of the following...
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Calculate the pH of a base buffer solution composed of 0.20 M NH3 and 0.15 M NH4Cl after the addition of 0.10 M HCl. The Kb of NH3 at 25oC is 1.80 × 10-5.
What is the pH of a buffer solution that is 0.350 M ethylamine and 0.200 Methylammonium chloride, after the addition of 0.100 M HNO3? The value of Kb forethylamine is 4.7 x 10-4.
What is the pOH of a buffer solution that is 0.150 M chloroacetic acid and 0.250 Msodium chloroacetate, after the addition of 0.100 M HNO3? The value of Kaforchloroacetic acid is 1.3 x 10-3.
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