(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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(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?
Transcribed Image Text:(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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