50. To 10 ml of the analyzed mixture, the standard substance n-butanol was added in an amount of 1 ml with a concentration of 20 mg/l. The chromatogram of the resulting mixture showed peaks of iso-propanol, n-butanol, iso-pentanol, propyl acetate and methyl methacrylate having an area of 92, 48, 15, 22, and 34 mm2, respectively. fi will be equal to 0.87; 1.04; 1.17 and 1.22 for iso-propanol, iso-pentanol, propyl acetate and methyl methacrylate, respectively. Find the concentration of components in the mixture.

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