Mathematics, 24.02.2021 19:30, rightstrong9827

Para la preparación de una solución a base de alcohol que desinfecte más eficientemente, se sugiere que la proporción sea de 70% alcohol y 30% agua. Si en una botella tenemos 1,4 litros de alcohol ( 1400 ml), ¿Qué cantidad de agua necesitaremos para obtener una preparación que cumpla lo anterior?

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Para la preparación de una solución a base de alcohol que desinfecte más eficientemente, se sugiere...