Iron reacts with steam according to the reaction 3fe +4 h2o → fe3o4 + 4h2o.
how many grams of iron will react with 5 moles of steam to convert to iron oxide with 100% product yield?
a. 72g
b. 90g
c. 168g
d. 210g

Explanation:

We will need a balanced equation with moles and molar masses, so let’s gather all the information in one place.

M_r:     55.845

              3Fe + 4H₂O → Fe₃O₄ + 4H₂

n/mol:                  5

1. Calculate the moles of Fe

2. Calculate the mass of Fe

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