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A 1.0-L 0.010 M buffer with pH 6.50 is given as an assignment to a group of students. Which is the most appropriate weak acid to be used in the buffer preparation? A. Citric Acid B. Acetic Acid C. Carbonic Acid D. Phosphoric Acid What is the concentration of the weak acid and its conjugate base, respectively?

A 1.0-L 0.010 M buffer with pH 6.50 is given as an assignment to a group of students. Which is the most appropriate weak acid to be used in the buffer preparation? A. Citric Acid B. Acetic Acid C. Carbonic Acid D. Phosphoric Acid What is the concentration of the weak acid and its conjugate base, respectively?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.66QE
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Refer to the table below to answer the succeeding questions: Weak acids pK pK, pK3 Acetic acid 4.74 Carbonic acid 6.10 10.4 Phosphoric acid 1.97 7.00 12.5 Citric acid 3.10 4.10 6.40
Transcribed Image Text:Refer to the table below to answer the succeeding questions: Weak acids pK pK, pK3 Acetic acid 4.74 Carbonic acid 6.10 10.4 Phosphoric acid 1.97 7.00 12.5 Citric acid 3.10 4.10 6.40
A 1.0-L 0.010 M buffer with pH 6.50 is given as an assignment to a group of students. Which is the most appropriate weak acid to be used in the buffer preparation? A. Citric Acid B. Acetic Acid C. Carbonic Acid D. Phosphoric Acid What is the concentration of the weak acid and its conjugate base, respectively? 0.0240 M and 0.0760 M 0.0285 M and 0.0715 M 0.0443 M and 0.0557 M 1.708 × 10¬³ M and 0.0983 M
Transcribed Image Text:A 1.0-L 0.010 M buffer with pH 6.50 is given as an assignment to a group of students. Which is the most appropriate weak acid to be used in the buffer preparation? A. Citric Acid B. Acetic Acid C. Carbonic Acid D. Phosphoric Acid What is the concentration of the weak acid and its conjugate base, respectively? 0.0240 M and 0.0760 M 0.0285 M and 0.0715 M 0.0443 M and 0.0557 M 1.708 × 10¬³ M and 0.0983 M
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