The diffusion coefficient of oligomeric phenol-formaldehyde resin in water at 291 K is 3.38*10-5 m2/day. The viscosity of water is 1.06*10-3 N*s/m. Calculate the radius of the molecule (in m) and the molar mass of the polymer. The density of maltose is 1.502*103 kg/m3. Compare the obtained value of the molar mass with the theoretical M = 504 g / mol
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