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Se necesitan 2 , 0 0 0 c m 3 a 2 5 C de una soluci n anticongelante que consiste en 3 0 %

Se necesitan 2,000cm3 a 25C de una solucin anticongelante que consiste en 30% molar
de metanol en agua. Qu volumen de metanol puro, en cm3 y a 25C, deber
mezclarse con agua pura, tambin a 25C, para formar los 2,000cm3 del
anticongelante?
A 25C :
Metanol (1)
?bar(V1)=38.632cm3mol
V1=40.727cm3mol
Agua (2)
?bar(V2)=17.765cm3mol,V2=18.068cm3mol
Para el problema anterior, qu volumen de agua pura a 25C deber usarse para
obtener los2,000cm3 del anticongelante indicado?
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