2TiCl3 + (NH3OH)Cl + 2HCl + 4H2O → 2[Ti(H2O)2Cl4] + NH4Cl
Titanium(III) chloride react with hydroxylammonium chloride, hydrogen chloride and water to produce tetrachloridodiaquatitanium and ammonium chloride. Hydrogen chloride - concentrated solution.