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Fe+ H2O _______ Fe3O4+ H2 

To balance the equation given above ,the stoichiometric numbers to be placed in front of the reactants and products respectively are,


1. 3, 4, 1, 4 
2. 3, 1, 4, 1
3. 1, 4, 3, 4
4. 4, 3, 1, 4 

1 Answer

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Best answer
Correct Answer - Option 1 : 3, 4, 1, 4 

The correct answer is 3, 4, 1, 4 

  • The chemical reaction is given as
  • Fe + H2O → Fe3O4+ H2
  • The balanced chemical equation can be written as
  • Reactant         Products
  1. Fe=1                Fe=3
  2. H=2                  H=2  
  3. O=1                  O=4
  • 3Fe + 4H2O → Fe3O4 + 4H2

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