Answered: Calculate the pCa for the titration of…

Calculate the pCa for the titration of 50 ml of 0.02 M Ca2+ at pH = 8 with 0.4 M EDTA after addition of 40 ml EDTA? Ca2+ + Y4- ⇄ CaY2- Kf = 5x1010 a. 9.6 b. 4.9 c. 7.7 d. 10.2 e. 7.6

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter7: Neutralization Titrations And Graphical Representations

Section: Chapter Questions

Problem 8P

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Question

Calculate the pCa for the titration of 50 ml of 0.02 M Ca²⁺at pH = 8 with 0.4 M EDTA after addition of 40 ml EDTA?

Ca²⁺ + Y^4- ⇄ CaY^2-K_f = 5x10¹⁰

a. 9.6

b. 4.9

c. 7.7

d. 10.2

e. 7.6

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