2RuCl3 + 8HCl + 2HNO3 → 2H[Ru(NO)(H2O)Cl4] + 3Cl2 + 2H2O
Ruthenium(III) chloride react with hydrogen chloride and nitric acid to produce hydrogen tetrachloridoaquanitrosylsruthenate(IV), chlorine and water. Hydrogen chloride and nitric acid - concentrated solutions.