52. Решение задачи по химии №005 259

4.3 Using a graphical method, determine the surface activity of butyric acid at the boundary of its aqueous solution with air at 293 K according to the following experimental data:
acid concentration, kmol/m3 0.0505 0.104 0.246 0.489
σ *103, N/m 64.30 59.85 51.09 44.00

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