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What is aqua regia? What reaction take place that gold becomes clean and shiny? |
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Answer» Answer: 3Part Concentrate HCL +1 HNO3 Au + Aqua REGIA = HAuCl4
When gold is dissolved in aqua regia, it FORMS chloroauric acid (HAuCl4). The chemical REACTION shows gold reacting with both components of aqua regia: NITRIC acid (HNO3) and hydrochloric acid (HCl). |
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