Chemistry, 26.02.2021 01:40 monicagalarza
Un bioquímico para preparar una solución disuelve 50 gramos de droga en 150 gramos de agua. Calcular:
a. La masa de solución
b. La concentración de la solución, expresada en % m/m.
ÁTOMO
6. Un átomo de azufre tiene número atómico 16 y número másico 34 ¿Cuántos protones, electrones, neutrones tiene?
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Un bioquímico para preparar una solución disuelve 50 gramos de droga en 150 gramos de agua. Calcular...
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