Question

This equation shows the formation of aluminum oxide, which is found on the surface of aluminum objects exposed to the air. How many moles of aluminum are needed to form 3.7 mol Al2O3?

Answer 1

Answer: a. 4 mol Al: 3 mol O2, 4 mol Al: 2 mol Al2O3, 3 mol O2: 4 mol Al, 3 mol O2: 2 mol Al2O3, 2 mol Al2O3: 4 mol Al, 2 mol Al2O3: 3 mol O2

b. 3.7 mol Al2O3 x (4 mol Al/ 2 mol Al2O3) = 7.4 mol Al

Explanation: I did this one befor