For the equilibrium, Co2+(aq)+4SCN-(aq)⇄Co(SCN)2-(aq), K=1.0x103. Which of the following conditions are at equilibrium? [Co2+]=1.1 M, [SCN-]=0.13 M, [Co(SCN)2-]=2.4x10-4M [Co2+]=1.2 M, [SCN-]=0.050 M, [Co(SCN)2-]=7.5x10-3M [Co2+]=0.75 M, [SCN-]=0.064 M, [Co(SCN)2-]=0.18 M [Co2+]=0.010 M, [SCN-]=0.0010 M, [Co(SCN)2-]=0.10 M

In each case, Calculate Equilibrium constant. If Equilibrium constant value is equal to 1.0 • 10^3…

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Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter17: Electrochemistry And Its Applications

Section: Chapter Questions

Problem 66QRT

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For the equilibrium, Co²⁺(aq)+4SCN^-(aq)⇄Co(SCN)²^-(aq), K=1.0x10³. Which of the following conditions are at equilibrium?

	[Co²⁺]=1.1 M, [SCN^-]=0.13 M, [Co(SCN)²^-]=2.4x10^-⁴M
	[Co²⁺]=1.2 M, [SCN^-]=0.050 M, [Co(SCN)²^-]=7.5x10^-³M
	[Co²⁺]=0.75 M, [SCN^-]=0.064 M, [Co(SCN)²^-]=0.18 M
	[Co²⁺]=0.010 M, [SCN^-]=0.0010 M, [Co(SCN)²^-]=0.10 M

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