Consider the following scenerio in answering Questions 2 through 4: An equilibrium mixture of the reaction observed in Experiment 3 is set up by mixing 5.0 mL of 0.0020 M Fe3*(aq), 2.0 mL of 0.0020 M SCN¯ (aq), and 3.0 mL of deionized H2O. The absorbance of the equilibrium mixture was measured to be 0.185. What is the initial concentration of SCN¯ ([SCN]o) for this mixture? This is the concentration that would be listed in the "initial" row of an ICE table.

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 14.91QE
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Consider the following scenerio in answering Questions 2 through
4:
An equilibrium mixture of the reaction observed in Experiment 3 is set
up by mixing 5.0 mL of 0.0020 M Fe3*(aq), 2.0 mL of 0.0020 M SCN-
(aq), and 3.0 mL of deionized H20. The absorbance of the equilibrium
mixture was measured to be 0.185.
What is the initial concentration of SCN ([SCN]o) for this mixture?
This is the concentration that would be listed in the "initial" row of an
ICE table.
Transcribed Image Text:Consider the following scenerio in answering Questions 2 through 4: An equilibrium mixture of the reaction observed in Experiment 3 is set up by mixing 5.0 mL of 0.0020 M Fe3*(aq), 2.0 mL of 0.0020 M SCN- (aq), and 3.0 mL of deionized H20. The absorbance of the equilibrium mixture was measured to be 0.185. What is the initial concentration of SCN ([SCN]o) for this mixture? This is the concentration that would be listed in the "initial" row of an ICE table.
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