Q: How many moles of water are produced if 3 moles of H3PO4 (Phosphoric acid) decompose?

Flexi Says: H₃PO₄ → HPO₃ + H₂O This is the chemical equation for the decomposition of phosphoric acid. According to the equation, the number of moles of water produced will be equal to the number of moles of H₃PO₄ used up in the reaction.