Acetic acid diffuses into a non diffusing film of water of 1 mm thickness. The concentration of acid 1 answer below »

Acetic acid diffuses into a non diffusing film of water of 1 mm thickness. The concentration of acid on the opposite sides of the film are 9 and 3% of acid by weight. The diffusivity at this temperature is 0.95 × 10–9 m2/s. Determine the rate of diffusion of acid. The molecular weight of the acid is 60. The density of the solution with 9% acid is 1012 kg/m3 and for the 3% solution it is 1003.2 kg/m3.

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