Question

Given the reaction: Al2O3 = Al + O2
What is the mole ratio of Al2O3 to Al?
a) 1 mol Al2O3 to 1 mol Al
b) 2 mol Al2O3 to 4 mol Al
c) 2 mol Al2O3 to 3 mol Al
d) 4 mol Al2O3 to 3 mol Al

Answer 1

YOu have to balance the equation as the first step. Then just look at the coefficients of Al and Al2O3