Answer to Question #152853 in Chemical Engineering for K naveen sudhakar reddy

Question

Calculate the rate of diffusion of sodium chloride at 298 K through a stationary film of
water 1 mm thick where the concentrations are 20 weight % and 8 weight %
respectively on either side of the film. The diffusivity of sodium chloride in water is
1.35 X 10-9 m
2
/s. Densities of 20 % and 8 % NaCl solutions are 1145.3 kg/m3
and 1054
kg/m3
respectively.

Answer 1

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