A butanoic acid/potassium butanoate (C3H,COOH/KOocc,H;) buffer is prepared to 1.12x10-2 mol L1 CH,COOH and 8.38x1o- mol L1 KOOCC,H. The K, for butanoic acid is 1.5x10-5. What is the pH of the buffer solution? The pH of the buffer solution in part A is 4.70. 17.5 mL of 9.50x10-3 mol L1 HCI solution was added to 100 mL of the buffer in part A. What is the pH after the addition?O 4.62O 2.80O 9.46O 4.54O 4.85O 4.41

Answered: Image /qna-images/answer/c026282f-4f53-4bce-955a-f3c44d28bb51.jpg

The pH of the buffer solution in part A is 4.70. 17.5 mL of 9.50x10-3 mol L1 HCI solution was added to 100 mL of the buffer in part A. What is the pH after the addition? O 4.62 O 2.80 O 9.46 O 4.54 O 4.85 O 4.41

The pH of the buffer solution in part A is 4.70. 17.5 mL of 9.50x10-3 mol L1 HCI solution was added to 100 mL of the buffer in part A. What is the pH after the addition? O 4.62 O 2.80 O 9.46 O 4.54 O 4.85 O 4.41

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter9: Aqueous Solutions And Chemical Equilibria

Section: Chapter Questions

Problem 9.29QAP

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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

A butanoic acid/potassium butanoate (C3H,COOH/KOocc,H;) buffer is prepared to 1.12x10-2 mol L1 CH,COOH and 8.38x1o- mol L1 KOOCC,H. The K, for butanoic acid is 1.5x10-5. What is the pH of the buffer solution?

The pH of the buffer solution in part A is 4.70. 17.5 mL of 9.50x10-3 mol L1 HCI solution was added to 100 mL of the buffer in part A. What is the pH after the addition?
O 4.62
O 2.80
O 9.46
O 4.54
O 4.85
O 4.41

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