I. In the Henderson-Hasselbalch equation, the pH is equivalent to the pK, if the ratio of moles of conjugate acid to weak base is equal. II. In preparing buffer solutions, the pH of the solution containing the weak acid and base components is adjusted before diluting to final volume. Evaluate whether the statements above are correct or incorrect, and type the letter of your answer on the space provided. Write the capital letter corresponding to your choice. A- Only the first statement is correct. B - Only the second statement is correct. C- Both the first and the second statements are correct. D - Both the first and second statements are incorrect.
I. In the Henderson-Hasselbalch equation, the pH is equivalent to the pK, if the ratio of moles of conjugate acid to weak base is equal. II. In preparing buffer solutions, the pH of the solution containing the weak acid and base components is adjusted before diluting to final volume. Evaluate whether the statements above are correct or incorrect, and type the letter of your answer on the space provided. Write the capital letter corresponding to your choice. A- Only the first statement is correct. B - Only the second statement is correct. C- Both the first and the second statements are correct. D - Both the first and second statements are incorrect.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 61QAP: Each symbol in the box below represents a mole of a component in one liter of a buffer solution;...
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Transcribed Image Text:I. In the Henderson-Hasselbalch equation, the pH is equivalent to the pK, if the ratio of moles of conjugate
acid to weak base is equal.
II. In preparing buffer solutions, the pH of the solution containing the weak acid and base components is
adjusted before diluting to final volume.
Evaluate whether the statements above are correct or incorrect, and type the letter of your answer on the
space provided. Write the capital letter corresponding to your choice.
A- Only the first statement is correct.
B - Only the second statement is correct.
C- Both the first and the second statements are correct.
D- Both the first and second statements are incorrect.
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