4Al + 3O2 -> 2Al2O3 How many moles of oxygen are needed to react with 100.0 grams of aluminum?
Added by Jesus M.
Step 1
First, we need to find the molar mass of aluminum (Al). The molar mass of Al is approximately 26.98 g/mol. Show more…
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2Al2O3 ---> 4Al + 3O2 How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed?
Aluminum reacts with oxygen to give aluminum oxide. $$ 4 \mathrm{Al}(\mathrm{s})+3 \mathrm{O}_{2}(\mathrm{g}) \longrightarrow 2 \mathrm{Al}_{2} \mathrm{O}_{3}(\mathrm{s}) $$ What amount of $\mathrm{O}_{2},$ in moles, is needed for complete reaction with 6.0 mol of Al? What mass of $\mathrm{Al}_{2} \mathrm{O}_{3},$ in grams, can be produced?
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