Given the unbalanced equation: Al + O2 → Al2O3
When this equation is completely balanced using smallest whole numbers, what is the sum of the coefficients?
1.
9
2.
7
3.
5
4.
4
When this equation is completely balanced using smallest whole numbers, what is the sum of the coefficients?
1.
9
2.
7
3.
5
4.
4