As guided by the above equation, we see 1 mole "NH"_3NH3 produces 1.5 moles of water.
Hence "150 g NH"_3 =150/17 "mol NH"_3150 g NH3=15017mol NH3 produces 150/17*1.515017⋅1.5 moles "H"_2"O"H2O which will have a mass 150/17*1.5 × "molar mass of H"_2"O"15017⋅1.5×molar mass of H2O