A 50.00-mL sample containing 0.004500 M Zn²+ was titrated against 0.01000 M EDTA. To ensure that the reaction proceeds to completion it was buffered with 0.100 M ammonia at pH 9.00. a. Calculate the conditional formation constant of the ZnY complex. The aza in ammonia buffer is equal to 1.17 x 10.

A 50.00-mL sample containing 0.004500 M Zn²+ was titrated against 0.01000 M EDTA. To ensure that the reaction proceeds to completion it was buffered with 0.100 M ammonia at pH 9.00. a. Calculate the conditional formation constant of the ZnY complex. The aza in ammonia buffer is equal to 1.17 x 10.

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

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Question

A 50.00-mL sample containing 0.004500 M Zn²+ was titrated against 0.01000 M EDTA. To ensure
that the reaction proceeds to completion it was buffered with 0.100 M ammonia at pH 9.00.
a. Calculate the conditional formation constant of the ZnY complex. The azn in ammonia buffer
is equal to 1.17 x 10³.
b. Calculate the volume of EDTA needed to reach the equivalence point.
c. Calculate the pZn at the equivalence point.

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