111. Задачка по химии №010 963

Determine the concentration (mol / l and mg / l) of vitamin D3 in the solution if the optical density of the analyzed solution was 0.5, and the standard 2 * 10-6M solution was 0.376 at 265 nm. Determine the molar and specific light absorption coefficients of vitamin D3 at 265 nm in a cuvette with l=2 cm. M(vitamin D3)=384.7 g/mol.

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