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EDTA solution?

EDTA solution?

Chemistry
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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2. A small amount of MgCl, solution is added to a 25 mL aliquot of the solution in problem land the mixture is titrated with EDTA to the Eriachrome Black T end point. The mixed solution requires 28.55 mL of the EDTA solution to reach the end point. A similar amount of MgCl, solution requires 2.60 mL to reach the endpoint. a) How many milliliters of EDTA are needed to titrate the Ca ion in the sample? b) How many moles of EDTA are there in the volume calculated for 2 (a)? moles c) What is the molarity of the EDTA solution?
Transcribed Image Text:2. A small amount of MgCl, solution is added to a 25 mL aliquot of the solution in problem land the mixture is titrated with EDTA to the Eriachrome Black T end point. The mixed solution requires 28.55 mL of the EDTA solution to reach the end point. A similar amount of MgCl, solution requires 2.60 mL to reach the endpoint. a) How many milliliters of EDTA are needed to titrate the Ca ion in the sample? b) How many moles of EDTA are there in the volume calculated for 2 (a)? moles c) What is the molarity of the EDTA solution?
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