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what is aqua regia ?​

Sagot :

Answer:

the solution containing 1 part Hno3 and 3 part const hcl is called aaya regia

Answer:

generally speaking aqua regia is a mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid able to attack gold and other resistant substances.

Explanation:

Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals. 

Formula: HNO₃+3 HCl

Boiling point: 108 °C

Melting point: -42 °C

Density: 1.21 g/cm³