A 1.000 mL. aliquot of a solution containing Cu" and Ni²* is treated with 25.00 ml. of a 0.03468 M EDTA solution. The solution is then back titrated with 0.02308 M Zn* solution at a pH of 5. A volume of 20.28 ml. of the Zn²* solution was needed to reach the xylenol orange end point. A 2.000 mL aliquot of the Cu³* and Ni²* solution is fed through an ion- exchange column that retains Ni*. The Cut that passed through the column is treated with 25.00 ml. of 0.03468 M EDTA. This solution required 23.18 mL of 0.02308 M Zn* for back titration. The Ni* extracted from the column was treated witn 25.00 mL of 0.03468 M EDTA. How many milliliters of 0.02308 M Zn²* is required for the back titration of the Ni" solution? volume: ml.

A 1.000 mL. aliquot of a solution containing Cu" and Ni²* is treated with 25.00 ml. of a 0.03468 M EDTA solution. The solution is then back titrated with 0.02308 M Zn* solution at a pH of 5. A volume of 20.28 ml. of the Zn²* solution was needed to reach the xylenol orange end point. A 2.000 mL aliquot of the Cu³* and Ni²* solution is fed through an ion- exchange column that retains Ni. The Cut that passed through the column is treated with 25.00 ml. of 0.03468 M EDTA. This solution required 23.18 mL of 0.02308 M Zn for back titration. The Ni* extracted from the column was treated witn 25.00 mL of 0.03468 M EDTA. How many milliliters of 0.02308 M Zn²* is required for the back titration of the Ni" solution? volume: ml.

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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Question

A 1.000 ml. aliquot of a solution containing Cu?* and Ni* is treated with 25.00 ml, of a 0.03468 M EDTA solution. The
solution is then back titrated with 0.02308 M Znt solution at a pH of 5. A volume of 20.28 ml. of the Zn+ solution was
needed to reach the xylenol orange end point. A 2.000 ml. aliquot of the Cu* and Ni* solution is fed through an ion-
exchange column that retains Ni*. The Cu+ that passed through the column is treated with 25.00 ml. of 0.03468 M
EDTA. This solution required 23.18 ml. of 0.02308 M Zn* for back titration. The Ni" extracted from the column was
treated witn 25.00 mL of 0.03468 M EDTA.
How many milliliters of 0.02308 M Zn?* is required for the back titration of the NP solution?
volume:
ml.

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