Question: 100 kg of inert solid (B) containing 33% soluble component (A) by mass is extracted with 20 m of water. The saturation concentration is 3.2

100 kg of inert solid (B) containing 33% soluble component (A) by mass is extracted with 20 m of water. The saturation concentration is 3.2 kg/m. (k'A/b =0.15 m/s). Find the solute concentration after 50 seconds and the time required for all the solute to dissolve.

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