A 20.0 ml. sample of 0.0250 M Cu²+ buffered at pH 10.00 is titrated with 0.0200 M EDTA. Calculate pCu² at each of the added volumes of EDTA. For the Cu²+-EDTA complex, log Kr is 18.78. The fraction of free EDTA in the Y- form, ay, can be found in this table.

A 20.0 ml. sample of 0.0250 M Cu²+ buffered at pH 10.00 is titrated with 0.0200 M EDTA. Calculate pCu² at each of the added volumes of EDTA. For the Cu²+-EDTA complex, log Kr is 18.78. The fraction of free EDTA in the Y- form, ay, can be found in this table.

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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A 20.0 mL sample of 0.0250 M Cu²+ buffered at pH 10.00 is titrated with 0.0200 M EDTA. Calculate pCu² at each of the
added volumes of EDTA. For the Cu²+-EDTA complex, log Kr is 18.78. The fraction of free EDTA in the Y- form, ay, can
be found in this table.
0 mL pCu²+ = =
8.33 ml. pCu²+
x10
25.0 ml. pCu²+ =
30.0 mL pCu²+ =
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