misbhaahmad13 misbhaahmad13

05-04-2024
Chemistry

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7.- Disponemos de un gel hidroalcohólico al 75% en volumen.
a) ¿Qué significa este porcentaje?
b) ¿Qué cantidad de alcohol puro debo mezclar para preparar un bote de 1,5 L de gel

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