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Volume of HCI pH 50.00 mL of 0.1000 M added, mL 50.00 mL of 0.000100 M NH,OH with 0.00100 M HCI NH,OH with 0.100 M HCI 0.00 10.00

Volume of HCI pH 50.00 mL of 0.1000 M added, mL 50.00 mL of 0.000100 M NH,OH with 0.00100 M HCI NH,OH with 0.100 M HCI 0.00 10.00

Chemistry
Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 7RQ: Sketch the titration curve for a weak acid titrated by a strong base. When performing calculations...
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The pH of each buffer is calculated from the analytical concentrations of the conjugate acid and the concentrations of the weak base. 3. At the equivalence point, the solution contains only the conjugate of the weak acid or the salt being titrated, and the pH is calculated from the concentration of this product. 4. Beyond the equivalence point, the excess of strong acid titrant suppresses the basic character of the reaction product to such an extent that the pH is governed largely by the concentration of the excess titrant. Volume of HCI pH 50.00 mL of 0.1000 M added, mL 50.00 mL of 0.000100 M NHẠOH with 0.100 M HCI NH,OH with 0.00100 M HCI 0.00 10.00 15.00 25.00 35.00 45.00 49.50 49.90 50.00 50.10 51.00 60.00 70.00
Transcribed Image Text:The pH of each buffer is calculated from the analytical concentrations of the conjugate acid and the concentrations of the weak base. 3. At the equivalence point, the solution contains only the conjugate of the weak acid or the salt being titrated, and the pH is calculated from the concentration of this product. 4. Beyond the equivalence point, the excess of strong acid titrant suppresses the basic character of the reaction product to such an extent that the pH is governed largely by the concentration of the excess titrant. Volume of HCI pH 50.00 mL of 0.1000 M added, mL 50.00 mL of 0.000100 M NHẠOH with 0.100 M HCI NH,OH with 0.00100 M HCI 0.00 10.00 15.00 25.00 35.00 45.00 49.50 49.90 50.00 50.10 51.00 60.00 70.00
C. Titration of Strong Base with Weak Acids a. Titration Curves for Weak Acids with strong base To generate the titration curves for weak acids titrated with strong base, we have to to employ four distinctly different types of calculations to compute values for a weak acid. 1. At the beginning, the solution contains only a weak acid and the pH is calculated from the concentration of the given solute and its dissociation constant. 2. After several increments of titrant have been added but not including, the equivalence point, the solution consists of a series of buffers. The pH of each buffer is calculated from the analytical concentrations of the conjugate base and the concentrations of the weak acid. 3. At the equivalence point, the solution contains only the conjugate of the weak base or the salt being titrated, and the pH is calculated from the concentration of this product. 4. Beyond the equivalence point, the excess of strong base titrant suppresses
Transcribed Image Text:C. Titration of Strong Base with Weak Acids a. Titration Curves for Weak Acids with strong base To generate the titration curves for weak acids titrated with strong base, we have to to employ four distinctly different types of calculations to compute values for a weak acid. 1. At the beginning, the solution contains only a weak acid and the pH is calculated from the concentration of the given solute and its dissociation constant. 2. After several increments of titrant have been added but not including, the equivalence point, the solution consists of a series of buffers. The pH of each buffer is calculated from the analytical concentrations of the conjugate base and the concentrations of the weak acid. 3. At the equivalence point, the solution contains only the conjugate of the weak base or the salt being titrated, and the pH is calculated from the concentration of this product. 4. Beyond the equivalence point, the excess of strong base titrant suppresses
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