Determine the viscosity of the Al2O3 sol if the concentration of the dispersed phase of the sol is: a) 11% (mass); b) 11% (vol.). The particles are spherical, the density of Al2O3 is 4.0 g/cm3. The viscosity and density of the dispersion medium are 1*10-3 Pa*s and 1 g/cm3, respectively. Find the relative increase in viscosity.

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