Chemistry, 05.07.2020 14:01 alextoro

4.En un laboratorio se necesita elaborar una disolución que tenga un punto de ebullición de 103 ºC. Para ello, se disponen 500 g de agua y de resorcina (C6H4(OH)2). ¿Qué cantidad de resorcina se requiere para elaborar la disolución? Considera que la Ke del agua es 0,52 ºC Kg/mol. Básate en las siguientes preguntas: a)¿Cuál es la variación de la temperatura de ebullición de la disolución y del agua? (2 ptos.)

b)¿Cómo calcularías la molalidad de la disolución a partir de la información? (3 ptos.)

c)Calcula la masa en gramos de resorcina que se debe utilizar para elaborar la solución requerida. (2 ptos.)

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4.En un laboratorio se necesita elaborar una disolución que tenga un punto de ebullición de 103 ºC....

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