Respuesta :

Answer:

257.6 grams

Explanation:

first write the formula: 4Fe + 3O2 -> 2Fe2O3

Fe molar mass is 55.8

180/55.8 = 3.226 mols

devide 3.226 by 4, then multiply by 2 which gives us 1.61 mols Fe2O3

Fe2O3 molar mass is 160

1.61 mols * 160 = 257.6 grams

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