4-25. A complex mixture of aromatic compounds leaves a chemical reactor and is fed to a distillation column: The mass fractions and flow rates of distillate and bottoms streams are given in Table 4.25. Compute the molar flow rate and composition, in molar fractions, of the feed stream. Table 4.25 Flow rate and composition of distillate and bottoms streams. (kg/h) OBenzaldehide OBenzoicAcid 0.0 OMethylBenzoate OToluene 0.85 OBenzene 0.1 0.03 0.02 Distillate 125 0.8 0.03 0.12 0.05 0.0 76 Bottoms

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