.A 8 × 10-5 M solution of potassium permanganate has a transmittance of 45% when measured in 2.0 cm cell at wavelength of 526 nm. Calculate (a) the absorbance of this solution and (b) the molar absorptivity of KMnO4.

.A 8 × 10-5 M solution of potassium permanganate has a transmittance of 45% when measured in 2.0 cm cell at wavelength of 526 nm. Calculate (a) the absorbance of this solution and (b) the molar absorptivity of KMnO4.

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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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.

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.A 8 × 10^-5 M solution of potassium permanganate has a transmittance of 45% when measured in 2.0 cm cell at wavelength of 526 nm. Calculate (a) the absorbance of this solution and (b) the molar absorptivity of KMnO₄.

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