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3. A glucose solution at 20C is in contact with 2mm thick stagnant film of water. The concentration and density of the solution is 20%

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3. A glucose solution at 20C is in contact with 2mm thick stagnant film of water. The concentration and density of the solution is 20% and 1020kg/m3 at one side while 10% and 1012kg/m3 at the other side. The diffusivity of glucose at 20C is 6108m2/s. Calculate the rate of diffusion of glucose through a stagnant film of water

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