Count the number of molecules in the diagram of water formation given in the lesson to complete the following reaction.

______H2 + ________O2 → _______H2O

A: 1
B: 2
C: 3

Respuesta :

The answer is 2

2H2 + 2O2 -2H2O

2 H2 + 1 O2 = 2 H2O


B. 2 is the correct option