4
QuizMultiple Choice
Unit Test
Question 4 of 15 • 25-26 Chem A DLCR – 3011288
The chemical equation below shows the formation of aluminum oxide (Al2O3) from aluminum (Al) and oxygen (O2).4Al + 3O2 2Al2O3The molar mass of O2 is 32.0 g/mol. What mass, in grams, of O2 must react to form 3.80 mol of Al2O3?
Answer
A
60.8 gramsB
81.1 gramsC
122 gramsD
182 grams