What Is the Molecular Formula of Ammonium Paratungstate? 2023-02-23 Tungsten Oxide 171 The molecular formula of ammonium paratungstate is H8N2O8W2. It is an inorganic compound composed of ammonium ion (NH4+) and paratungstate ion (H2W2O7). 0 0 ammonium paratungstatemolecular formula