Question

what is Aqua regia?

ᴀɴᴅ ʜᴏᴡ ᴍᴜᴄʜ ᴠᴏʟᴜᴍᴇ ᴏғ ʜᴄʟ ᴀɴᴅ ʜɴᴏ3 ɪs ᴘʀᴇsᴇɴᴛ ɪɴ ɪᴛ?​

Answer 1

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.