Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Question
Chapter 13, Problem 13.6QAP
Interpretation Introduction

Interpretation:

The molar absorptivity of a solution containing A and having transmittance of 64.1% is to be calculated.

Concept introduction:

The molar absorptivity of a solution is defined as the capacity of a solution to absorb the particular wavelength of light incident on it. In order to calculate the molar absorptivity, first the absorbance of the solution is determined using the Beer’s law.

A=logT

Now, the relation between the molar absorptivity, absorbance and concentration of the solution is given by the relation.

A=εbc

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