112. Задачка по химии №011 253

517. It has been established that at 20 C the relationship between the intrinsic viscosity of polyisobutylene and its molar mass M is described by the formula
[η] (l/g)=3.60*10-4*M0.64.
Determine the molar mass of the polyisobutylene fraction in a solution whose intrinsic viscosity is 1.8 m3/kg.

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