3Fe + 4H2O 1Fe3O4 + 4H2
2.55 x 1025 molecules of H2O will combine with Fe to produce g H2.
124 g of Fe will combine with H2O to produce formula units of Fe3O4.
2.24 moles Fe will fully react with g of H2O.
78.0 g of H2O will react with Fe to produce formula units of Fe3O4.
9.25 x 1023 formula units of Fe will react with H2O to produce moles of H2.
Answers: 3
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3Fe + 4H2O 1Fe3O4 + 4H2
2.55 x 1025 molecules of H2O will combine with Fe to produce g H2.
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