For several fractions of cellulose nitrate in acetone, the viscosity was measured at 25°C and the intrinsic viscosities were calculated:
М*10-3, g/mol 77 89 273 360 400 640 846 1550 2510 2640
[η], dl/g 1.23 1.45 3.54 5.5 6.5 10.6 14.9 30.3 31.0 36.3
Calculate the coefficients of the Mark-Houwink equation for this system.

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