Question

Given the balanced equation below, which mole ratio would be best for solving how many moles of oxygen are produced by the decomposition of 4 moles of aluminum oxide, Al2O3
?

A. 3 mol O22 mol Al2O3
B. 2 mol Al2O33 mol O2
C. 4 mol Al3 mol O2
D. 1 mol Al2O32 mol Al

Answer 1

B. 2 mol Al2O3 : 3 mol O2

This is the correct mole ratio for solving how many moles of oxygen are produced by the decomposition of 4 moles of aluminum oxide, Al2O3.