Calculate the mass of iron oxide produced during the combustion of 5.1 g of iron in oxygen.

bystudin | May 28, 2020 | Education

3Fe + 2O2 = Fe3O4
m (scale) = 1 / 3n (iron) * M (scale) = 1/3 * (5.1 / 56) * (56 * 3 + 16 * 4) = 7.04 g
Answer: 7.04 g

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