0731. Solving a chemistry problem
3. Calculate the surface tension of an aqueous solution of butanol with a concentration of 0.12 mol/l at 20 C, if a solution of propanol of the same concentration had a surface tension of 65.5 mJ/m2. The surface tension of water at the indicated temperature is 72.72 mJ/m2. The coefficient of the Duclos-Traube rule is 3.
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