Respuesta :

[tex]\\ \rm\longmapsto Fe_2O_3+3Mg\longrightarrow 3MgO+2Fe[/tex]

  • 3 moles of Mg produces ,2 mol FE
  • 1mol of Mg produces 2/3=0.6mol Fe

0.25mol will produce

  • 0.25(0.6)=0.15mol

Mass of Fe

  • 0.15(56)=8.4g