Aluminum oxide (used as an adsorbent or a catalyst for organic reactions) forms when aluminum reacts with oxygen. 4Al(s) + 3O2(g) → 2Al2O3(s) A mixture of 101.15 g of aluminum (ℳ= 26.98 g/mol) and 117.65 g of oxygen (ℳ = 32.00 g/mol) is allowed to react.   What is the limiting reactant? What is the excess reactant? What mass of aluminum oxide (ℳ = 101.96 g/mol) can be formed?

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".