13. Решение задачки по химии №29

2. Calculate the magnitude and sign of excess adsorption of an aqueous solution of sodium dodecyl sulfate (t=20 C) with a concentration of 1.0 mmol/l if the surface tension of this solution is 59.67 mJ/m2, and the surface tension of water at this temperature is 72.75 mJ/m2.

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