A 1.000 mL aliquot of a solution containing Cu²+ and Ni2+ is treated with 25.00 mL of a 0.03992 M EDTA solution. Thesolution is then back titrated with 0.02019 M Zn²+ solution at a pH of 5. A volume of 21.77 mL of the Zn²+ solution wasneeded to reach the xylenol orange end point. A 2.000 mL aliquot of the Cu²+ and Ni²+ solution is fed through an ion-exchangecolumn that retains Ni2+. The Cu²+ that passed through the column is treated with 25.00 mL of 0.03992 M EDTA. This solutionrequired 19.13 mL of 0.02019 M Zn²+ for back titration. The Ni2+ extracted from the column was treated witn 25.00 mL of0.03992 M EDTA.2+How many milliliters of 0.02019 M Zn2+ is required for the back titration of the Ni2+ solution?volume:mL

Given, Concentration of EDTA = 0.03992 M

A 1.000 mL aliquot of a solution containing Cu²+ and Ni2+ is treated with 25.00 mL of a 0.03992 M EDTA solution. The solution is then back titrated with 0.02019 M Zn²+ solution at a pH of 5. A volume of 21.77 mL of the Zn²+ solution was needed to reach the xylenol orange end point. A 2.000 mL aliquot of the Cu²+ and Ni2+ solution is fed through an ion-exchar column that retains Ni2+. The Cu²+ that passed through the column is treated with 25.00 mL of 0.03992 M EDTA. This solu required 19.13 mL of 0.02019 M Zn2+ for back titration. The Ni2+ extracted from the column was treated witn 25.00 mL of 0.03992 M EDTA. How many milliliters of 0.02019 M Zn²+ is required for the back titration of the Ni²+ solution?

A 1.000 mL aliquot of a solution containing Cu²+ and Ni2+ is treated with 25.00 mL of a 0.03992 M EDTA solution. The solution is then back titrated with 0.02019 M Zn²+ solution at a pH of 5. A volume of 21.77 mL of the Zn²+ solution was needed to reach the xylenol orange end point. A 2.000 mL aliquot of the Cu²+ and Ni2+ solution is fed through an ion-exchar column that retains Ni2+. The Cu²+ that passed through the column is treated with 25.00 mL of 0.03992 M EDTA. This solu required 19.13 mL of 0.02019 M Zn2+ for back titration. The Ni2+ extracted from the column was treated witn 25.00 mL of 0.03992 M EDTA. How many milliliters of 0.02019 M Zn²+ is required for the back titration of the Ni²+ solution?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.33QAP

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