4. Show the applicability of the Bouguer-Lambert-Beer law for the case of the passage of rays through layers of mastic sol according to the experimental data obtained by Theorell:
Concentration, % 0.6 0.1 0.02 0.01
Cuvette length, cm 0.25 0.5 2.0 3.0
Light transmission Т, % 28.4 65.8 71.6 77.8

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