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Buffer B and Buffer C both contain 1.000 M HC,H3O2, yet adding 5.00 mL of 0.5000 M NaOH to 20.00 mL of Buffer B (same amounts as in Question 7) would cause Buffer B to have a ApH = 0.29. Select all of the possible .explanations for why Buffer C is a better buffer against a base, even though the two buffers contain the same amount of buffering conjugate acid. Having equal amounts of the two buffering conjugates (like in Buffer C) results in the largest buffering capacity in both directions Buffer C has more conjugate base, which minimizes the forward shift in the equilibrium reaction due to the common ion effect OIn Buffer C, the pH is closer to the pKa Don't pick this answer ;) In Buffer C the ratio of conjugate base to conjugate acid is closer to 1

Buffer B and Buffer C both contain 1.000 M HC,H3O2, yet adding 5.00 mL of 0.5000 M NaOH to 20.00 mL of Buffer B (same amounts as in Question 7) would cause Buffer B to have a ApH = 0.29. Select all of the possible .explanations for why Buffer C is a better buffer against a base, even though the two buffers contain the same amount of buffering conjugate acid. Having equal amounts of the two buffering conjugates (like in Buffer C) results in the largest buffering capacity in both directions Buffer C has more conjugate base, which minimizes the forward shift in the equilibrium reaction due to the common ion effect OIn Buffer C, the pH is closer to the pKa Don't pick this answer ;) In Buffer C the ratio of conjugate base to conjugate acid is closer to 1

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 4RQ: A good buffer generally contains relatively equal concentrations of weak acid and conjugate base. If...
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Buffer B and Buffer C both contain 1.000 M HC,H3O2, yet adding 5.00 mL of 0.5000M NaOH to 20.00 mL of Buffer B (same amounts as in Question 7) would cause Buffer B to have a ApH = 0.29. Select all of the possible explanations for why Buffer C is a better buffer against a base, even though the two buffers contain the same amount of buffering conjugate acid. Having equal amounts of the two buffering conjugates (like in Buffer C) results in the largest buffering capacity in both directions Buffer C has more conjugate base, which minimizes the forward shift in the equilibrium reaction due to the common ion effect In Buffer C, the pH is closer to the pKa Don't pick this answer ;) In Buffer C the ratio of conjugate base to conjugate acid is closer to 1
Transcribed Image Text:Buffer B and Buffer C both contain 1.000 M HC,H3O2, yet adding 5.00 mL of 0.5000M NaOH to 20.00 mL of Buffer B (same amounts as in Question 7) would cause Buffer B to have a ApH = 0.29. Select all of the possible explanations for why Buffer C is a better buffer against a base, even though the two buffers contain the same amount of buffering conjugate acid. Having equal amounts of the two buffering conjugates (like in Buffer C) results in the largest buffering capacity in both directions Buffer C has more conjugate base, which minimizes the forward shift in the equilibrium reaction due to the common ion effect In Buffer C, the pH is closer to the pKa Don't pick this answer ;) In Buffer C the ratio of conjugate base to conjugate acid is closer to 1
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