Chemistry, 23.04.2021 04:40 alejandro1102
En el laboratorio se tirne una botella de hcl de concentracion 32%m/v solycion madre y se desean preparar 150 ml de solución al 20 %m/v que volumen de la solycion originalse debe medir
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En el laboratorio se tirne una botella de hcl de concentracion 32%m/v solycion madre y se desean pre...
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