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Provided: pH of the half-neutralized acid solution pH     =      5.1 Unknown Weak Acid is: ? NaHSO4                      Ka = 1.2 x 10-2 KHC8H4O4 (KHP)        Ka = 8.7 x 10-6 A. From your observed pH calculate the [H+] concentration in M(mols/L) for your unknown acid. B. Explain why this mixture is a buffer.

Provided: pH of the half-neutralized acid solution pH     =      5.1 Unknown Weak Acid is: ? NaHSO4                      Ka = 1.2 x 10-2 KHC8H4O4 (KHP)        Ka = 8.7 x 10-6 A. From your observed pH calculate the [H+] concentration in M(mols/L) for your unknown acid. B. Explain why this mixture is a buffer.

Chemistry
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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Provided:

pH of the half-neutralized acid solution pH     =      5.1

Unknown Weak Acid is: ?

NaHSO4                      Ka = 1.2 x 10-2

KHC8H4O4 (KHP)        Ka = 8.7 x 10-6

A. From your observed pH calculate the [H+] concentration in M(mols/L) for your unknown acid.

B. Explain why this mixture is a buffer.

 

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