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Se va a concentrar una solucin de soda custica (NaOH) al 0,1% en moles en un evaporador continuo. La solucin entra en la unidad a

Se va a concentrar una solucin de soda custica (NaOH) al 0,1% en moles en un evaporador continuo. La solucin entra en la unidad a 25C a una velocidad de 150 mol/min y se concentra al 5% en moles a 60C. Se burbujea aire seco caliente a 200 C y 1,1 bar absolutos a travs del evaporador y sale saturado con agua a 60 C y 1 atm. Calcule la tasa de flujo volumtrico requerida del aire que ingresa y la tasa a la cual el calor debe transferirse hacia o desde la unidad. Suponga que la capacidad calorfica por unidad de masa de todas las soluciones lquidas es la del agua pura.

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