Question

Fill in the blanks with proper coefficient.
1) 3Fe + ------- H2O → Fe3O4 +------- H2
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Answer 1

Answer:

3Fe + 4H2O --> Fe3O4 + 2H2

Hope this helps...Plz mark as brainliest...

Answer 2

Answer:

3 Fe + 4H2O → Fe3O4 + 4H2

Explanation:

This is the reaction of metal with water to give either metal oxide or hydroxide and produces hydrogen gas.

Here, Iron reacts with water to form ferric oxide and releases hydrogen gas.

Tips to balance :-

1. Count the total number of atoms of each elements.
2. Now multiply with suitable coefficients to balance.
3. Use hit and trial method.