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La aspirina (frmula C9H8O4) es una sustancia slida que se utiliza como medicamento. Es soluble en etanol. Se prepara una solucin disolviendo 7,592 g de

La aspirina (frmula C9H8O4) es una sustancia slida que se utiliza como medicamento. Es soluble en etanol. Se prepara una solucin disolviendo 7,592 g de aspirina en 78,93 g de etanol, la molaridad de la solucin es 0,5338 M.

Pregunta 1. La solucin resultante anterior tendra un punto de congelacin mayor o menor que el del etanol puro? Punto de congelacin normal del etanol puro de -114,1 C

Pregunta 2. La constante de depresin del punto de congelacin del etanol, Kf, es 1,99 C/m. Calcule la diferencia (unidades de C) en los puntos de congelacin entre la solucin hecha en #1 y el etanol puro.

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