Homework Help: chemistry

Posted by britt on Monday, June 11, 2012 at 7:28pm.

the rusting of iron is represented by the eqquation 4Fe + 3O2 --> 2Fe2O3 if you have a 1.25-mol sample of iron, how many moles of Fe2O3 can be made?

chemistry - DrBob222, Monday, June 11, 2012 at 8:37pm
Use the coefficients.
1.25 mol Fe x (2 mols Fe2O3/4 mols Fe) = 1.25 x (2/4) = ?

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