3. In Part C, you prepare four solutions (starting concentrations are given blow) in test tubes and you will measure the Absorbance after the solutions have reached equilibrium. Shown below is an example of just ONE solution, with absorbance data shown as well. Using this data and the standard curve from question 2 on the previous page, calculate Kf. SHOW ALL WORK BELOW! Starting Concentrations Test Tube 0.00200 M Fe(NO3)3 [mL] 0.0020 M KSCN [mL] H20 [mL] 1 3.0 2.0 5.0 Absorbance Data [FESCN2"] at equilibrium Test Tube Absorbance at Amax Kf 1 0.118 2.88 x 10-4 M

3. In Part C, you prepare four solutions (starting concentrations are given blow) in test tubes and you will measure the Absorbance after the solutions have reached equilibrium. Shown below is an example of just ONE solution, with absorbance data shown as well. Using this data and the standard curve from question 2 on the previous page, calculate Kf. SHOW ALL WORK BELOW! Starting Concentrations Test Tube 0.00200 M Fe(NO3)3 [mL] 0.0020 M KSCN [mL] H20 [mL] 1 3.0 2.0 5.0 Absorbance Data [FESCN2"] at equilibrium Test Tube Absorbance at Amax Kf 1 0.118 2.88 x 10-4 M

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

Chapter24: Coulometry

Section: Chapter Questions

Problem 24.12QAP

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