Asked by Jane

How many moles of aluminum oxide can be produced from 12.8 moles of oxygen gas (O2) reacting with excess aluminun (Al)? useing this equation:
---- I don't get how to do these?

4Al(s) + 3O2--> 2Al2O3(s)
Answered by DrBob222
All of these are "simple" (meaning they are not limiting reagent problems) and are done the same way. Here is a solved example. Just follow the steps.
http://www.jiskha.com/science/chemistry/stoichiometry.html