125. Solving a chemistry problem
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125. Solving a chemistry problem
5.20 Calculate the surface activity of propionic acid at the boundary of its aqueous solution with air at 273 K and a concentration of 0.05 kmol / m3, if the constants of the Shishkovsky equation are known: a \u003d 12.5 * 10-3 and b \u003d 7.73
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