27. Решение задачи по химии №002 746

195. The table gives the values ​​of the surface tension of water-alcohol solutions at 22 0C:
alcohol, % 0 20 40 60 80 100
σ*103, N/m 72.2 40.6 31.2 27.7 25.4 22.5
Determine the adsorption of alcohol on the surface of 16% and 78% aqueous solutions.

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