Question: A certain substance A flows through a solvent B passing through a surface area of 0.45 m2 in steady state at a rate of 5.65

A certain substance A flows through a solvent B passing through a surface area of 0.45 m2 in steady state at a rate of 5.65 mol/min. Determine the diffusivity coefficient of A at B if the concentration gradient of A is 7.25x10-2 M/m.

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