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Calcula cuántos moles hay en 3g de He?

Calcula cuántos moles hay en 3g de He. Considera la masa molar del He como 4g / mol. Explicado.

En resumen

Mm He = 4 g / mol Aplicar la fórmula n = m / Mm n = 3 g / 4 g / mol (eliminar gramos al aplicar la doble c) n = 0. 75 moles ```````````````````````````````````````````````````````````````````````````````````````````` n He = 3 g He x 1 mol He ```````````````` 4 g He n He = 0.

Mejor respuesta

Cacs12345
0

Mm He = 4 g / mol

Aplicar la fórmula n = m / Mm

n = 3 g / 4 g / mol (eliminar gramos al aplicar la doble c)

n = 0.

75 moles

````````````````````````````````````````````````````````````````````````````````````````````

n He = 3 g He x 1 mol He ```````````````` 4 g He

n He = 0.

75 moles de He.