Aluminum and oxygen react to form aluminum oxide by the equation
___Al(s) + ___O2(g) ® ___Al2O3(s)
In a certain experiment, 137 g of Al2O3 are produced from 75.6 g of Al and 124 g of O2.
a. What is the theoretical yield of Al2O3?
b. What is the percent yield of Al2O3?