A 140.0 mL sample of 0.070 M Ca²+ is titrated with 0.070 M EDTA at pH 9.00. The value of log Kf for the Ca?+-EDTA complex is 10.65 and the fraction of free EDTA in the Y* form, ays- , is 0.041 at pH 9.00. What is K', the conditional formation constant, for Ca²+ at pH 9.00? к %3D What is the equivalence point volume, Ve, in milliliters? V : mL Calculate the concentration of Ca2+ at V = [Ca?+] = M Calculate the concentration of Ca²+ at V = V.. [Ca?+] = M Calculate the concentration of Ca²+ at V = 1.1V.. [Ca?+] = M

A 140.0 mL sample of 0.070 M Ca²+ is titrated with 0.070 M EDTA at pH 9.00. The value of log Kf for the Ca?+-EDTA complex is 10.65 and the fraction of free EDTA in the Y* form, ays- , is 0.041 at pH 9.00. What is K', the conditional formation constant, for Ca²+ at pH 9.00? к %3D What is the equivalence point volume, Ve, in milliliters? V : mL Calculate the concentration of Ca2+ at V = [Ca?+] = M Calculate the concentration of Ca²+ at V = V.. [Ca?+] = M Calculate the concentration of Ca²+ at V = 1.1V.. [Ca?+] = M

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 140.0 mL sample of 0.070 M Ca²+ is titrated with 0.070 M EDTA at pH 9.00. The value of log Kf for the Ca?+-EDTA
complex is 10.65 and the fraction of free EDTA in the Y* form, ays- , is 0.041 at pH 9.00.
What is K', the conditional formation constant, for Ca²+ at pH 9.00?
к %3D
What is the equivalence point volume, Ve, in milliliters?
V :
mL
Calculate the concentration of Ca2+ at V =
[Ca?+] =
M
Calculate the concentration of Ca²+ at V = V..
[Ca?+] =
M
Calculate the concentration of Ca²+ at V = 1.1V..
[Ca?+] =
M

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