Question

Help :) plz :) ........

Answer 1

D. 4:3

Step-by-step explanation:

The mole ratio is simply the coefficients in a balanced chemical reaction and their relation to each other. For example, the mole ratio between Al and
`Al_(2)O_(3)` is 2:1, and the ratio between
`O_(2)` and
`Al_(2)O_(3)` is 3:2.