NH4OH: Structure, Properties, Uses, & Solubility Properties Kumar Jeetendra | September 2, 2023 NH4OH, or ammonium hydroxide, is the result of NH3 dissolving in H2O. However, NH4OH is typically used to represent aqueous ammonia, even though the solution is primarily made up of separate H2O and NH3 molecules. NH3+H2O↔NH4++OH− Structure of nh4oh Consisting of a nitrogen atom (N) and three hydrogen atoms (H) bonded in a pyramidal shape, …