A solution of cobalt chloride of unknown concentration was to be determined using UV-vis spectroscopy. A calibration range of CoCl₂ solutions was prepared and measured in a 1 cm cuvette using visible light with The calibration table is given below: Concentration / M 0.0100 0.0200 0.0400 0.0500 0.0700 0.0800 0.1000 0.1100 0.1300 0.1400 Unknown Abs 0.075 0.152 0.294 0.363 0.517 0.582 0.720 0.805 0.943 1.018 0.473

A solution of cobalt chloride of unknown concentration was to be determined using UV-vis spectroscopy. A calibration range of CoCl₂ solutions was prepared and measured in a 1 cm cuvette using visible light with The calibration table is given below: Concentration / M 0.0100 0.0200 0.0400 0.0500 0.0700 0.0800 0.1000 0.1100 0.1300 0.1400 Unknown Abs 0.075 0.152 0.294 0.363 0.517 0.582 0.720 0.805 0.943 1.018 0.473

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

A solution of cobalt chloride of unknown concentration was to be determined using UV-vis spectroscopy.
A calibration range of CoCl₂ solutions was prepared and measured in a 1 cm cuvette using visible light with
The calibration table is given below:
Concentration / M
0.0100
0.0200
0.0400
0.0500
0.0700
0.0800
0.1000
0.1100
0.1300
0.1400
Unknown
Abs
0.075
0.152
0.294
0.363
0.517
0.582
0.720
0.805
0.943
1.018
0.473

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