10. When measuring the viscosity of polystyrene solutio

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10. When measuring the viscosity of polystyrene solutions in toluene using a viscometer, the following data were obtained:
Concentration C, g / dm 3 0 1 2 2.36 2.75 3.12
Time of solution outflow τ, s 102,3 115,6 141,4 153,4 167,5 182,2
Calculate the values of the specific and reduced viscosity of polymer solutions and plot the plot of ηd / C = f (C). Determine the intrinsic viscosity [η].

Additional information

Questions and problems from the manual:
"Laboratory Workshop on Colloid Chemistry" Nekrasov AP, Veretenchenko BA, Kharkov NTU "KhPI", 2004
"Characteristic properties of disperse systems" Nekrasov AP, Kharkov, 1996
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