The Beer-Lambert law relates the absorbance A of a solution to the concentration C of a species in solution by A = MLC, where L is the path length and M is the molar absorption coefficient. Assume that L = 1 cm. Measurements of A are made at various concentrations. The data are presented in the following table. Concentration (mol/cm?) 1.00 1.20 1.50 1.70 2.000 0.99 1.13 1.52 1.73 1.96 Absorbance (L/cm) a Let A = + ôc be the equation of the least-squares line for predicting absorbance (A) from concentration (C). Compute the values of and ,- b. What value does the Beer-Lambert law assign to B? What physical quantity does estimate? Test the hypothesis H: Bo = 0. Is the result consistent with the Beer-Lambert law? C.
The Beer-Lambert law relates the absorbance A of a solution to the concentration C of a species in solution by A = MLC, where L is the path length and M is the molar absorption coefficient. Assume that L = 1 cm. Measurements of A are made at various concentrations. The data are presented in the following table. Concentration (mol/cm?) 1.00 1.20 1.50 1.70 2.000 0.99 1.13 1.52 1.73 1.96 Absorbance (L/cm) a Let A = + ôc be the equation of the least-squares line for predicting absorbance (A) from concentration (C). Compute the values of and ,- b. What value does the Beer-Lambert law assign to B? What physical quantity does estimate? Test the hypothesis H: Bo = 0. Is the result consistent with the Beer-Lambert law? C.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:The Beer-Lambert law relates the absorbance A of a solution to the concentration C of a
species in solution by A = MLC, where L is the path length and M is the molar absorption
coefficient. Assume that L = 1 cm. Measurements of A are made at various concentrations.
The data are presented in the following table.
Concentration (mol/cm?) 1.00 1.20 1.50 1.70 2.000
0.99 1.13 1.52 1.73 1.96
Absorbance (L/cm)
a Let A = + ôc be the equation of the least-squares line for predicting absorbance (A)
from concentration (C). Compute the values of and ,-
b.
What value does the Beer-Lambert law assign to B?
What physical quantity does estimate?
Test the hypothesis H: Bo = 0. Is the result consistent with the Beer-Lambert law?
C.
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