* The Balanced Equation: The balanced equation tells us the ratio of reactants and products:

2H₂O → 2H₂ + O₂

* Mole Ratio: The equation shows that for every 2 molecules of water (H₂O) that are split, you get 1 molecule of oxygen (O₂).

* Calculation: Since you're splitting two water molecules, you will produce one oxygen molecule (O₂).