The following plot was obtained from the supernatant of a sol after it had been pH adjusted with some sodium hydroxide, mixed vigorously for ten minutes and then allowed to settle for 30 minutes. Estimate the pH at which the sol is at its isoelectric point and hence least stable.

The following plot was obtained from the supernatant of a sol after it had been pH adjusted with some sodium hydroxide, mixed vigorously for ten minutes and then allowed to settle for 30 minutes. Estimate the pH at which the sol is at its isoelectric point and hence least stable.

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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The following plot was obtained from the supernatant of a sol after it had been pH adjusted with
some sodium hydroxide, mixed vigorously for ten minutes and then allowed to settle for 30 minutes.
Estimate the pH at which the sol is at its isoelectric point and hence least stable.
Uv absorbance @500 nm
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
3
5
9.
11
13
pH
Answer:
Ab sorbance

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