For the prelab today, all solutions were made using the procedure as outlined in your lab manual. When the absorbances of the solutions were measured, the following data were collected: Part 1 Part 2 Solution Absorbance Solution Absorbance 1 0.000 1 0.000 2 0.300 2 0.343 3 0.450 0.498 4 0.600 0.642 0.750 0.777 Use the data given above to calculate the average value of K for the equilibrium: Fe3*(aq) + SCN' (aq) Fe(SCN)2*(aq) Average K = 3. 4)

For the prelab today, all solutions were made using the procedure as outlined in your lab manual. When the absorbances of the solutions were measured, the following data were collected: Part 1 Part 2 Solution Absorbance Solution Absorbance 1 0.000 1 0.000 2 0.300 2 0.343 3 0.450 0.498 4 0.600 0.642 0.750 0.777 Use the data given above to calculate the average value of K for the equilibrium: Fe3(aq) + SCN' (aq) Fe(SCN)2(aq) Average K = 3. 4)

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

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

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

Chapter13: An Introduction To Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 13.25QAP

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