Respuesta:
0.4 M
Explicación:
Mm=40 gr/mol
v=250 ml=0.25 lt
[tex]molaridad = \frac{4gr}{40 \frac{gr}{mol} (0.25lt)} = \frac{4}{10 \frac{lt}{mol} } [/tex]
[tex]molaridad = 0.4 \frac{mol}{lt} [/tex]
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Respuesta:
0.4 M
Explicación:
Mm=40 gr/mol
v=250 ml=0.25 lt
[tex]molaridad = \frac{4gr}{40 \frac{gr}{mol} (0.25lt)} = \frac{4}{10 \frac{lt}{mol} } [/tex]
[tex]molaridad = 0.4 \frac{mol}{lt} [/tex]