Asked by monique
How many moles of O2 are needed to form 3 moles of Al2O3 from the element
Answers
Answered by
Steve
Well, you have 4Al + 3O2 = 2Al2O3, so you need 3 moles of O2 for every 4 moles of Al. So, for 3 moles of Al2O3, you need 6 moles of Al, so you need 3/4 * 6 = 9/2 moles of O2.
I think.
I think.
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