A butanoic acid/sodium butanoate (C3H7COOH/NAOOCC3H7) buffer is prepared to 1.14×10-2 mol L-1 C3H;COOH and 1.43×10-2 mol L-1 Na0OCC3H7. The Ka for butanoic acid is 1.5×10-5. What is the pHof the buffer solution?Part A5.03O 4.924.82O 4.73O 4.43

pH = pKa + log(salt / acid) pKa = -log Ka

A butanoic acid/sodium butanoate (C3H7COOH/NAOOCC3H7) buffer is prepared to 1.14x10-2 mol L-1 C3H7COOH and 1.43x10-2 mol L-1 Na00CC3H7. The Ka for butanoic acid is 1.5×10-5. of the buffer solution? Part A O 5.03 O 4.92 O 4.82 O 4.73 O 4.43 O O o o O

A butanoic acid/sodium butanoate (C3H7COOH/NAOOCC3H7) buffer is prepared to 1.14x10-2 mol L-1 C3H7COOH and 1.43x10-2 mol L-1 Na00CC3H7. The Ka for butanoic acid is 1.5×10-5. of the buffer solution? Part A O 5.03 O 4.92 O 4.82 O 4.73 O 4.43 O O o o O

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

A butanoic acid/sodium butanoate (C3H7COOH/NAOOCC3H7) buffer is prepared to 1.14×10-2 mol L-1 C3H;COOH and 1.43×10-2 mol L-1 Na0OCC3H7. The Ka for butanoic acid is 1.5×10-5. What is the pH
of the buffer solution?
Part A
5.03
O 4.92
4.82
O 4.73
O 4.43

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