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ISBN: 9781305577213

Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher: Cengage Learning

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Textbook Question

Chapter 24, Problem 24.5QAP

What cathode potential (versus SCE) would be required to lower the total Hg(II) concentration of the following solutions to 1.00 × 10^-6 M (assume reaction product in each case is elemental Hg):
(a) an aqueous solution of Hg²⁺?
(b) a solution with an equilibrium SCN- concentration of 0.100 M?
Hg²⁺ + 2SCN^- ⇌ Hg(SCN)₂(aq) = K_f = 1.8 × 10⁷
c) a solution with an equilibrium Br- concentration of 0.100 M?
HgBr₄²⁺+ 2e^- ⇌ Hg(l) + 4Br- E⁰= 0.223 V

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Chapter 24, Problem 24.4QAP

Chapter 24, Problem 24.6QAP

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