26. The following table shows data on the concentration c and relative viscosity n / n0 of solutions of cellulose acetate of various molar masses M in acetone at 25 C. Determine the constants of the Mark-Houwink equation for this system

M, mol/kg s, kg/m3
130 0.094 1.289
0.273 1.990
0.546 3.770
86 0.114 1.286
0.351 2.100
0.703 4.120
76 0.118 1.247
0.353 1.890
0.775 3.700
61 0.138 1.239
0.275 1.520
0.428 1.880
48 0.152 1.209
0.303 1.450
0.684 2.230

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