Nitric acid oxidizes the metallic to +3 ions, but only in moment amounts, commonly undetectable from the pure acid as a result of chemical equilibrium with the reaction. On the other hand, the ions are removed from the equilibrium by hydrochloric acid, forming AuCl−4 ions, or chloroauric acid, therefore enabling https://reidzejnq.oneworldwiki.com/6074513/not_known_facts_about_gold