What is the chemical formula of gold chloride?
What is the chemical formula of gold chloride? AuCl3, Au2Cl6 Gold(III) chloride/Formula What is the formula for AuCl? AuCl Gold(I) chloride/Formula How is gold chloride made? Gold(III) chloride is most often prepared by passing chlorine gas over gold powder at 180 °C (356 °F): 2 Au + 3 Cl2 → Au2Cl. Another method of preparation is via chloroauric acid, which is obtained by first dissolving the gold powder in aqua regia to give chloroauric acid: Au + HNO3 + 4 HCl → HAuCl4 + 2 H2O + NO. What is AuCl used for? a yellow to red, water-soluble compound, AuCl3,...