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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