Principles of Instrumental Analysis, 6th Edition
Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
Question
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Chapter 13, Problem 13.2QAP
Interpretation Introduction

(a)

Interpretation:

The absorbance of the solution for the percent transmittance of 5.38% is to be calculated.

Concept introduction:

The absorbance of the solution is the ability of the solution to absorb the monochromatic light passing through it. The absorbance of the solution is defined as the ratio of the intensity of light incident on the solution to the intensity of light absorbed by the solution.

The relation between the absorbance and transmittance of a solution is given by Beer’s law.

A=logT

Interpretation Introduction

(b)

Interpretation:

Theabsorbance of the solution for the percent transmittance of 0.492 is to be calculated.

Concept introduction:

The absorbance of the solution is the ability of the solution to absorb the monochromatic light passing through it. The absorbance of the solution is defined as the ratio of the intensity of light incident on the solution to the intensity of light absorbed by the solution.

The relation between the absorbance and transmittance of a solution is given by Beer’s law.

A=logT

Interpretation Introduction

(c)

Interpretation:

The absorbance of the solution for the percent transmittance of 39.4% is to be calculated.

Concept introduction:

The absorbance of the solution is the ability of the solution to absorb the monochromatic light passing through it. The absorbance of the solution is defined as the ratio of the intensity of light incident on the solution to the intensity of light absorbed by the solution.

The relation between the absorbance and transmittance of a solution is given by Beer’s law.

A=logT

Interpretation Introduction

(d)

Interpretation:

The absorbance of the solution for the percent transmittance of 23.8% is to be calculated.

Concept introduction:

The absorbance of the solution is the ability of the solution to absorb the monochromatic light passing through it. The absorbance of the solution is defined as the ratio of the intensity of light incident on the solution to the intensity of light absorbed by the solution.

The relation between the absorbance and transmittance of a solution is given by Beer’s law.

A=logT

Interpretation Introduction

(e)

Interpretation:

Theabsorbance of the solution for the percent transmittance of 0.124 is to be calculated.

Concept introduction:

The absorbance of the solution is the ability of the solution to absorb the monochromatic light passing through it. The absorbance of the solution is defined as the ratio of the intensity of light incident on the solution to the intensity of light absorbed by the solution.

The relation between the absorbance and transmittance of a solution is given by Beer’s law.

A=logT

Interpretation Introduction

(f)

Interpretation:

The absorbance of the solution for the percent transmittance of 15.8% is to be calculated.

Concept introduction:

The absorbance of the solution is the ability of the solution to absorb the monochromatic light passing through it. The absorbance of the solution is defined as the ratio of the intensity of light incident on the solution to the intensity of light absorbed by the solution.

The relation between the absorbance and transmittance of a solution is given by Beer’s law.

A=logT

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Students have asked these similar questions
Convert the accompanying transmittance data to absorbances: (a) 25.5% (b) 32.8% (c) 0.085
Convert the following transmittance data to absorbance.  a) 27.2% b) 0.579% c) 30.6%
(d) The Beer-Lambert law states that the absorbance (A) of light by a solution in a cuvette is given by. A = ID==ecL In=-= where lo is the incident light intensity, / is the transmitted light intensity, e is the molar absorptivity, c is the concentration of the solution, and Lis the path length of the cuvette. (1) Light with a wavelength of 800 nm is passed through a cuvette containing a solution of Coumarin dye. After passing through the cuvette, the light intensity was reduced to 10% of its initial value. What is the absorbance of the solution of Coumarin dye? (1) The concentration of the Coumarin dye is 0.004 mol dm3, and the cuvette has a path length of 1 cm. What is the molar absorptivity of Coumarin dye at 800 nm, in units of m² mot¹?
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