Answered: What hydroxide concentration is…

What hydroxide concentration is required to a. initiate precipitation of Al3+ from a 2.50 X 10-2 M solution of Al2(S04)3? b. lower the AI3+ concentration in the foregoing solution to 2.00 X 10-7 M

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

Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 81E: Which of the indicators in Fig. 14-8 could be used for the titrations in Exercises 61 and 63?

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Question

What hydroxide concentration is required to
a. initiate precipitation of Al3+ from a 2.50 X 10-2 M solution of Al2(S04)3?
b. lower the AI3+ concentration in the foregoing solution to 2.00 X 10-7 M?

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