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How is aqua regia prepared​

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ANSWER:

Aqua REGIA must be prepared and used in a fume HOOD. To prepare, combine three (3) PARTS of hydrochloric acid to one (1) PART nitric acid in a glass container. The hydrochloric acid must be measured into the glassware first, and then the nitric acid is slowly added. Never exceed 38% nitric acid.



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