Respuesta :

Lightx

Answer:

784 g.

Explanation:

Since 1 mole of [tex] Fe_2O_3[/tex] gives us 2 moles of $Fe$, 7 moles $Fe_2O_3$ will give us 14 moles of $Fe$

Molar mass of $Fe$= 56 g/mol

Thus, mass of 14 moles is $14 \times 56= \boxed{784}$

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