29. Solving a chemistry problem
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29. Solving a chemistry problem
17. The mercury sol consists of balls with a diameter of 0.2 microns. Calculate the dispersion, the total surface of particles and their total number, if the mass of the dispersed phase is 2∙10-4 kg, and the density of mercury is 13500 kg/m3. The surface tension of mercury is 475 mN/m.
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