If 5.433 g of aluminum is burned with 8.834 g of oxygen gas what is the limiting reactant?

If 5.433 g of aluminum is burned with 8.834 g of oxygen gas what is the limiting reactant?
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Answer :

Aluminium (Al) + Oxygen (O) = Aluminium Oxide (Al2O3)Aluminium Atomic weight = about 27Oxygen Atomic weight = about) 16Proportion in Al203 = Aluminium 54, Oxygen 48Thus the ratio of weight in Al2O3 is 54/48 = 1.125And the ratio present as reactants is 5.433/8.834 = 0.615Thus the Aluminium will run out before the Oxygen as the reaction proceeds, making the Aluminium the limiting reactant.
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