38. Solving a chemistry problem
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38. Solving a chemistry problem
18(3). The value of the diffusion coefficient D of surfactant micelles in an aqueous solution at 25 C was experimentally determined. Find the diameter of the micelles, the association number m, and the micellar mass Mmic surfactant if the viscosity of the dispersion medium is n=0.89 mPa*s.
Sodium palmitate C15H31COONa
diffusion coefficient D*1010, m2/s 1.021
Surfactant density р, g/cm3 1.11
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