23desaiary 23desaiary

17-04-2021
Chemistry

contestada

In the Eqn: [3 Fe + 2 O2 → Fe3O4], How many grams of Fe will be needed to react with 6.85 mol O2 ?

Respuesta :

robertjnicolaou robertjnicolaou

17-04-2021

Answer:

575g

Explanation:

Mole ratio Fe : O2 = 3:2

so moles of Fe = 1.5 x 6.85 = 10.275 moles

mass=moles x Ar

Ar Fe= 56

mass = 10.275 x 56=575g

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