John needs to create a buffered solution at a pH of 3.5 for his biomedical laboratory. a. Using the chart below, determine the appropriate acid for this application. Acid pk, Phosphoric 2.12 Pyruvic 2.49 Lactic 3.86 Benzoic 4.19 b. Research and state the conjugate base of the the acid. c. Describe how John would determine the amounts of acid and base needed to create the buffered solution.

John needs to create a buffered solution at a pH of 3.5 for his biomedical laboratory. a. Using the chart below, determine the appropriate acid for this application. Acid pk, Phosphoric 2.12 Pyruvic 2.49 Lactic 3.86 Benzoic 4.19 b. Research and state the conjugate base of the the acid. c. Describe how John would determine the amounts of acid and base needed to create the buffered solution.

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

100%

John needs to create a buffered
solution at a pH of 3.5 for his
biomedical laboratory.
a. Using the chart below,
determine the appropriate acid for
this application.
Acid
pk,
Phosphoric
2.12
Pyruvic
2.49
Lactic
3.86
Benzoic
4.19
b. Research and state the
conjugate base of the the acid.
c. Describe how John would
determine the amounts of acid
and base needed to create the
buffered solution.

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