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Baris 101: : 4HCl + 2{{chem2\|HNO\|3}} + Sn → {{chem2\|SnCl\|4}} + {{chem2\|NO\|2}} + NO + 3{{chem2\|H\|2\|O}} ===~~Decomposition of~~Dekomposisi aqua regia===▼ <!--▼ Reaksi kimia terjadi saat pencampuran asam klorida pekat dan asam nitrat pekat. Reaksi ini menghasilkan produk volatil [[nitrosil klorida]] dan [[klor]] yang dibuktikan dengan sifat dan karakteristik asap kuning aqua regia. Oleh karena produk volatil keluar dari larutan, aqua regia kehilangan potensinya. ▲===Decomposition of aqua regia=== Upon mixing of concentrated hydrochloric acid and concentrated nitric acid, chemical reactions occur. These reactions result in the volatile products [[nitrosyl chloride]] and [[chlorine]] as evidenced by the fuming nature and characteristic yellow color of aqua regia. As the volatile products escape from solution, the aqua regia loses its potency. : {{chem2\|HNO~~<sub>~~\|3~~</sub>~~ }}<sub>(aq)</sub> + ~~3 HCl~~ 3HCl<sub>(aq)</sub> → NOCl <sub>(g)</sub> + {{chem2\|Cl~~<sub>~~\|2~~</sub>~~ }}<sub>(g)</sub> + 2 {{chem2\|H~~<sub>~~\|2~~</sub>~~\|O }}<sub>(l)</sub> ▲<!-- Nitrosyl chloride can further decompose into [[nitric oxide]] and chlorine. This dissociation is equilibrium-limited. Therefore, in addition to nitrosyl chloride and chlorine, the fumes over aqua regia contain nitric oxide.

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