glamorouspotato1251
10.11.2020 •
Chemistry
La etiqueta de una botella de vino indica que tiene una concentración de 14,5% v/v. ¿Cuál es el volumen (soluto) en mL de alcohol contenido en una copa que se llena con 75 mL (disolución) de vino?
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Ответ:
El volumen de alcohol contenido en una copa que se llena con 75 mL (disolución) de vino es 10.875 mL
Explanation:
El Porcentaje Volumen a Volumen o Porcentaje en Volumen (%v/v) es una medida de la concentración que indica el volumen de soluto por cada 100 unidades de volumen de la solución. Es decir, es una medida de la concentración de una sustancia en una solución que expresa la relación del volumen del soluto con el volumen total de la solución.
El Porcentaje Volumen a Volumen de una disolución es determinada por la siguiente expresión:
En este caso:
%v/v= 14.5volumen soluto= ?volument disolucion= 75 mLReemplazando:
Resolviendo:
volumen soluto= 10.875 mL
El volumen de alcohol contenido en una copa que se llena con 75 mL (disolución) de vino es 10.875 mL
Ответ: