which is the only one with the same number of atoms of Cu and O on both sides?
Note that they all have 2 Cu and 2 O on the right.
Which of the following is a correctly balanced equation?
a.
2Cu + O2 → 2CuO
b.
2Cu + 2O2 → 2CuO
c.
Cu + O2 → 2CuO
d.
4Cu + O2 → 2CuO
1 answer