82 Решение задачки по химии №08 222

281. Determine the ability to spread and the contact angle of wetting of an aqueous solution of foaming agent PO-6K for benzene, if the surface tension of the solution PO-6K is 32.3 mN / m, the interfacial tension at the interface between the surfactant solution and gasoline is 2.0 mN / m.

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