In 3Fe + 4H2O -> Fe3O4 + 4H2, what is the eq.wt of Fe?

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1 Answers

We have 

64 part of O2 reacts with 168 part of Fe 
so 8 part of O2 will react = 168x8/64 = 21 part of Fe 
so equivalent wt ,of Fe = 21

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