10. Calculate the molecular weight and degree of polymerization of polystyrene from the data on the light scattering of its solutions in a mixture of solvents benzene - dichloroisopropyl alcohol, if the values of HC/τ are known:
С•102, g/cm3 0.25 0.51 0.80 1.08
HC/τ•106, mol/g 1.60 1.75 1.91 2.10

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