Question

what is the composition of Aqua regia?​

Answer 1

Answer:

Aqua regia, mixture of concentrated nitric and hydrochloric acids, usually one part of the former to three parts of the latter by volume. This mixture was given its name (literally, “royal water”) by the alchemists because of its ability to dissolve gold and other so-called noble metals. Bottles of aqua regia.

Answer 2

Answer:

3:1 solution of HCl and nitric acid