avrilallja13 avrilallja13

15-11-2022
Chemistry

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Se dispone de una solución acuosa de hidrógeno en sodio al 70% m/m calcula la masa de esta solución que se emplea para 250g de una solución al 25% m/v de densidad 1,08g/cm3 averiguar la masa de sv que se necesita agregar

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