A mixture is prepared by combining 11.18 mL of 2.31 x 103 M Fe(NO)3 with 10.0o0 mL of 1.89 x 103 M KSCN. The solution turns red due to the formation of FeSCN2+. The absorbance is measured and, using a calibration plot, the [FESCN2+] at equilibrium is found to be 1.68 x 10-4 M. Complete the following ICE table Fe3+ SCN FESCN2. initial (M) (A) (B) (C) change (M) (D) (E) (F) equilibrium (M) (G) (H) (1) What is the value of K,?

A mixture is prepared by combining 11.18 mL of 2.31 x 103 M Fe(NO)3 with 10.0o0 mL of 1.89 x 103 M KSCN. The solution turns red due to the formation of FeSCN2+. The absorbance is measured and, using a calibration plot, the [FESCN2+] at equilibrium is found to be 1.68 x 10-4 M. Complete the following ICE table Fe3+ SCN FESCN2. initial (M) (A) (B) (C) change (M) (D) (E) (F) equilibrium (M) (G) (H) (1) What is the value of K,?

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

Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 14.19QAP

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