tag:blogger.com,1999:blog-7688339499888532979.post3630852271611937028..comments2021-11-16T04:58:10.559+01:00Comments on Un problema químico: Catión misterioso en muestra policialUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7688339499888532979.post-5145016524550036592013-01-04T05:32:23.008+01:002013-01-04T05:32:23.008+01:00CuSO4.5H2OCuSO4.5H2OFriedrichhttps://www.blogger.com/profile/12839063300667467438noreply@blogger.com