Calculate the surface tension of an acetic acid solution, surface activity, Gibbs adsorption at a concentration of 0.03 kmol / m3, the cross section of the molecule, its length if the surface tension of water is 0.072 N / m, constant a Shishkovsky equation = 0.025 N / m, and constant c = 15 m3/kmol, density 800 kg/m3, temperature 20 degrees Celsius.

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