6 moles of water would be produced. 6H2+3O2->6H2O
According to the Law of Conservation of Mass,matter cannot be created or destroyed, This means that mass remains constant no matter how it changes form.
A balanced chemical equation satisfies this law by telling us the amounts of reactants and products, and shows that the same numbers of each type of atoms on the left side of the equation must be the same on the right side of the equation
6H2+3O2->?H2O
To balance
Learn more about Balancing equations here:https://brainly.com/question/10022942