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OpenStudy (anonymous):
What is the mass of the excess reactant? 2.45g of iron(IV)oxide were added to 0.45g of hydrogen. Fe3O4+4H2-->3Fe+4H2O (After calculations the mass of water would be 0.763g)
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thomaster (thomaster):
First find the molecular weight of \(Fe_3O_4\) and \(H_2\)
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