20. Solving a chemistry problem
2. Calculate the osmotic pressure of 30% SiO2 hydrosol at 293.2 K if the specific surface area of the particles is Ssp=2.7*105 m2/kg. The density of SiO2 hydrosol particles p=2.2 g/cm3, the density of the medium p0=1.0 g/cm3.
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