7,500 lb/h of a 50 wt% aqueous solution of FeCl3 at 100oC is cooled to 20oC. At 100oC, the solubility of the FeCl3 is 540 g/100 g of water. At 20oC, the solubility is 91.8 g/100 g water, and crystals of FeCl3 are the hexahydrate. At equilibrium at 20oC, determine the lb/h of crystals formed.

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