Estimate the pH at 50% volume of the first equivalence point. This represents pKa1- What is the Ka1? 1.26 Saved Volume at 50% between the first and second equivalence point. Estimate the pH at the volume 50% between the first and second equivalence point. This represents pka2: What is the Ka2?

Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.157E: When titrating 50mL of 0.2MHCl, what quantity of 0.5M NaOH is needed to bring the solution to the...
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Question
Titration Curve for Unknoówn A
12
11.49
10.04
10
2.85
10
15
20
25
30
35
ml levels
pH levels
Transcribed Image Text:Titration Curve for Unknoówn A 12 11.49 10.04 10 2.85 10 15 20 25 30 35 ml levels pH levels
Estimate the pH at 50% volume of the first equivalence point. This represents pka1.
What is the Ka1?
1.26
Saved
Volume at 50% between the first and second equivalence point.
Estimate the pH at the volume 50% between the first and second equivalence point. This
represents pKa2.
What is the Ka2?
Transcribed Image Text:Estimate the pH at 50% volume of the first equivalence point. This represents pka1. What is the Ka1? 1.26 Saved Volume at 50% between the first and second equivalence point. Estimate the pH at the volume 50% between the first and second equivalence point. This represents pKa2. What is the Ka2?
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