After removing the cream, a solution of protein (molar mass m = 22 kg/mol, density p = 1.1 g/cm3) in water (water density p0 = 1 g/cm3) remained in the milk separator. By modeling the separator as a cylinder of radius r = 10 cm, rotating around its geometric axis with an angular velocity w = 103 s-1, determine at what distance from the axis the protein concentration is equal to the initial one. The temperature is T = 295 K.

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