4.39 We wish to optimize the selectivity to B from A in the reactions A → B, r = KCA A → C, r = kC²/ with k = 1/4 (units of moles, liters, and minutes and CÃo = 2 moles/liter. Calculate SB and Yg in a CSTR for XA = 0.99, 0.90, and 0.5. B

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