146. Solving a chemistry problem

15. Calculate the molecular weight of perchlorovinyl resin in cyclohexane using the experimental data of the viscosimetric method:
 
Concentration of solution C, kg / m 3 2.0 4.0 6.0 8.0 10.0
The specific viscosity of the solution is η yd 0.2 0.43 0.67 0.96 1.24
 
Constants: K = 6,3⋅10 -5, α = 0,67.