Respuesta :

Answer:

2

Explanation:

2H2 + 02 ===> 2H20

Your first job is to balance the oxygens. The left side has 2 and so you must put a 2 in front of the H20.

The H2 and H2O are then balanced.

Answer:

The answer is 2

Explanation:

got it right on edge hope it helps!