The equilibrium M"t + Y MY"-4 is governed by the equation [MY"-] [M"+] [EDTA] K = ayı- · Kf = where Kf is the association constant of the metal and Y, ayt- is the fraction of EDTA in the form Y, and [EDTA] is the total concentration of free (unbound) EDTA. K/ is the conditional formation constant. How many grams of Na, EDTA 2 H,O (FM 372.23 g/mol) should be added to 1.51 g of Sr(NO,), 4 H,O (FM 283.69 g/mol) in a 500. mL volumetric flask to give a buffer with pSr+ = 8.00 at pH 10.00? log K, for Sr-EDTA is 8.72 and ayt at pH 10.00 is 0.30.

The equilibrium M"t + Y MY"-4 is governed by the equation [MY"-] [M"+] [EDTA] K = ayı- · Kf = where Kf is the association constant of the metal and Y, ayt- is the fraction of EDTA in the form Y, and [EDTA] is the total concentration of free (unbound) EDTA. K/ is the conditional formation constant. How many grams of Na, EDTA 2 H,O (FM 372.23 g/mol) should be added to 1.51 g of Sr(NO,), 4 H,O (FM 283.69 g/mol) in a 500. mL volumetric flask to give a buffer with pSr+ = 8.00 at pH 10.00? log K, for Sr-EDTA is 8.72 and ayt at pH 10.00 is 0.30.

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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