Answer:
I have written the answer below:
Step-by-step explanation:
a. row 1- Mass of O2: 48g
b. row 2- Mass of O2: 192g
c. row 2- mass of Al2O3: 240g
d. row 3- Mass of Al: 270g
e. row 3- Mass of Al2O3: 510g
f. row 4- Mass of Al: 162g
g. row 4- Mass of O2: 144g