Answer to Question #190074 in Inorganic Chemistry for julieanna robinson

Question #190074

If 4 moles of NH₃ (ammonia) and 3 moles of O₂ (oxygen gas) react in the reaction below, determine the EXCESS reactant. 4NH₃ + 5O₂ --> 4NO + 6H₂O

If 25.4 g of Al₂O₃ is reacted with 10.2 g of Fe, determine the LIMITING reactant. 4Al₂O₃ + 9Fe --> 3Fe₃O₄ +8Al



1
Expert's answer
2021-05-10T01:50:25-0400

Ammonia is the excess reactant


"Moles (Al_2O_3) = \\frac{25.4}{101.96}=0.25moles"



"Moles(Fe) = \\frac{10.2}{55.85}=0.18moles"

Limiting reactant us Al₂O₃ 






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