Question
A solution contains 2 x 10-3 moles Ca2+/L and 3 x 10-4 moles Mg2+/L. Given the formation constants for CaEDTA2- and MgEDTA2- of 1010.6 and
1) Concentration of MgEDTA2- after the addition of 1.5 x 10-3 moles EDTA4-/L of sample?
2) Concentration of MgEDTA2- after the addition of 2.0 x 10-3 moles EDTA4-/L of sample?
3) Does the presence of Mg2+ significantly interfere with the determination of Ca2+ by the EDTA titration?
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Get StartedRecommended Textbook for
Fundamentals of Analytical Chemistry
Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch
9th edition
495558281, 978-0495558286
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