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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.

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
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
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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
Transcribed Image Text: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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