P₄ = 0.5 mol and Cl₂ = 3 mol. Required Cl₂ = 3 mol. Both react completely.
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31. For the reaction 3Fe + 4H₂O → Fe₃O₄ + 4H₂, 112 g of Fe and 36 g of H₂O are reacted. The mass of Fe₃O₄ produced is (Fe = 56, O = 16)
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33. The concept that even a large excess of one reactant cannot produce more product than dictated by the other reactant is a consequence of the
