(a)
Interpretation:
The absorbance of the solution for the percent transmittance of
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.
(b)
Interpretation:
Theabsorbance of the solution for the percent transmittance of
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.
(c)
Interpretation:
The absorbance of the solution for the percent transmittance of
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.
(d)
Interpretation:
The absorbance of the solution for the percent transmittance of
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.
(e)
Interpretation:
Theabsorbance of the solution for the percent transmittance of
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.
(f)
Interpretation:
The absorbance of the solution for the percent transmittance of
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.
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Chapter 13 Solutions
Principles of Instrumental Analysis
- (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?arrow_forwardAtomic refractions: C(sp3): 2.8158; C(sp2): 3.8276; C(sp): 3.8974; H: 0.915. Knowing that the refractive index of benzene is 1.4956 (with the Na line D), indicate the molar volume of benzene.(1). 22.1 cm3/mol (2). 76.6 cm3/mol (3). 97.6 cm3/mol (4). 98.8 cm3/molarrow_forwardFish-liver oil is a good source of vitamin A, which is mea-sured spectrophotometrically, after correcting for background, ata wavelength of 329 nm.(a) Suggest a reason for using this wavelength.(b) In what region of the spectrum does this wavelength lie?(c) When 0.1232 g of fish-liver oil is dissolved in 500. mL of sol-vent, the absorbance is 0.724 units. When 1.67X10⁻³g of vita-min A is dissolved in 250. mL of solvent, the absorbance is 1.018 units. Calculate the vitamin A concentration in the fish-liver oilarrow_forward
- Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning