I wanted to disolve galena with an acid, wich acid can disolve the galena?
2007-06-28 06:57:54 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Galena can be dissolved in aqua-regia 1:3 HNO3/HCl
ref: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V5Y-4F2MG18-1&_user=10&_coverDate=01%2F25%2F2005&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=2d523ce3bff55317f1be4455fc4e1183
2007-06-28 07:09:03 · answer #1 · answered by Dr Dave P 7 · 0⤊ 0⤋
Galena is not soluble in water...
http://www.lib.berkeley.edu/EART/reserve/geol50.html#galena
But will dissolve in basically any acid with a pH of three or lower.
Apparently, aqueous iron (III) does help speed the reaction along.
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V5Y-4F2MG18-1&_user=840033&_coverDate=01%2F25%2F2005&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000000938&_version=1&_urlVersion=0&_userid=840033&md5=f501e973d0919f99f71f0c9871e3ffda
2007-06-28 14:02:18 · answer #2 · answered by Brian L 7 · 0⤊ 0⤋
Any mineral acid, but HCl is most obvious.
PbS + 2HCl ===> PbCl2 + H2S
2007-06-28 14:04:47 · answer #3 · answered by steve_geo1 7 · 0⤊ 0⤋