A student performs the Kea of Iron(III) Thiocyanate experiment, and obtains the following data set: Volume Fe³+, mL 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 Sample Blank S2 S3 S4 S5 S6 S7 S8 S9 S10 [Fe³+], M The balanced chemical reaction is: Volume SCN', mL 0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 [SCN-], M Absorbance 0.000 0.097 0.214 0.313 0.408 0.509 0.599 0.688 0.771 0.858 Fe³+ (aq) + SCN- (aq) = FeNCS²+ (aq) 1: The stock solutions used had concentrations of 0.200 M Fe³+ and 2.00x10-³ M SCN. Calculate the concentrations of Fe³+ and SCN in each sample after they are mixed.

A student performs the Kea of Iron(III) Thiocyanate experiment, and obtains the following data set: Volume Fe³+, mL 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 Sample Blank S2 S3 S4 S5 S6 S7 S8 S9 S10 [Fe³+], M The balanced chemical reaction is: Volume SCN', mL 0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 [SCN-], M Absorbance 0.000 0.097 0.214 0.313 0.408 0.509 0.599 0.688 0.771 0.858 Fe³+ (aq) + SCN- (aq) = FeNCS²+ (aq) 1: The stock solutions used had concentrations of 0.200 M Fe³+ and 2.00x10-³ M SCN. Calculate the concentrations of Fe³+ and SCN in each sample after they are mixed.

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

Chapter15: Molecular Luminescence Spectrometry

Section: Chapter Questions

Problem 15.12QAP: Equations for the chemiluminescence determination of SO2 are given on page 383. Derive an expression...

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