The reaction of NH4OH + H2SO4 produces ammonium sulfate and water, written as (NH4)2SO4 + H2O. N is the chemical symbol for nitrogen, H is the chemical symbol for hydrogen, O is the chemical symbol for oxygen and S is the chemical symbol for sulfur.
NH4OH is the chemical formula for ammonium hydroxide. Sulfuric acid is represented by the chemical formula H2SO4. The products of the reaction are ammonium sulfate, represented by (NH4)2SO4, and water, written as H2O. The balanced equation for the reaction is written as 2 NH4OH + H2SO4 → (NH4)2SO4 + 2 H2O. The numbers in front of each compound indicate the number needed to balance the equation.