Answered: 10 mL of 1.8 M acetic acid (CH3COOH) is… | bartleby

Principles Of Pharmacology Med Assist

Principles Of Pharmacology Med Assist

6th Edition

ISBN:9781337512442

Author:RICE

Publisher:RICE

Chapter2: Decimal Fractions

Section: Chapter Questions

Problem 1RP

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What is the approximate p?apa?

I've tried entering 0, 1 and 0.5 and got marked wrong for the first part.

The second part is correct.

10 mL of 1.8 M acetic acid (CH3COOH) is titrated with 1.0 M sodium
hydroxide (NaOH). The titration curve is shown.
What is the approximate pK₁?
pKa
=
0.5
fraction converted:
12 10 8
At the pK₁, what fraction of the carboxyl group will have been converted to COO-?
Express your answer as a decimal, not a percent.
0.5
6
4
2
0
0
5
10
15
Volume of base (mL)
20
25

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