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Una soluci n caliente a 8 0 C de Ba ( NO 3 ) 2 que sale de un evaporador contiene 3 0 , 6

Una solucin caliente a 80C de Ba(NO3)2 que sale de un evaporador contiene 30,6 kg de Ba(NO3)2/100 kg H2O y pasa a un cristalizador donde se enfra y cristaliza nitrato de bario. El enfriamiento produce una evaporacin del 10% del agua presente en la solucin original. Calcule lo siguiente para una alimentacin de 100 kg totales de solucin: a) el rendimiento de cristales cuando la solucin se enfra a 17c. b) el calor total del proceso, si el calor especfico promedio de la corriente de alimentacin es 2,93 kj/kg \deg C y la entalpa de la solucin a 17\deg c es -18,4 kj/mol de Ba(No3)2.

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