Question: C2H50t4 3. Ethanol is diffusing through a layer of vater of thickness 3mm at 20C. Diffusivity of a accohol in water is 0.52109m2/s. The concentrations

C2H50t4 3. Ethanol is diffusing through a layer of vater of thickness 3mm at 20C. Diffusivity of a accohol in water is 0.52109m2/s. The concentrations on opposite sides of Water film are 4% and 10% (by weight) of alcohol respectively are 0.99 and 0.98g/cm3. Assuming that water film is stagnant, estimate (i) the flux of alcohol and (ii) concentration of alcohol in the middle of water film. NA

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