131. Задачка по химии №013 163

18. Show the applicability of Smoluchowski´s theory to the coagulation of the selenium sol with a solution of potassium chloride, by determining the mean value of half-coagulation from the following experimental data:
Coagulation time τ, s 0 32.4 288 595 908 1200
Total number of particles in 1 m 3, n⋅ 15 10 - 3.2 2.5 1.3 0.9 0.7 0.5

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