A
Anonymous
Guest
hi guys,
i'm new to the site, and have been looking around a bit. great site btw. I have a chem 101 background from 10 years ago, so i have forgotten quite a bit. could someone please tell me what the pm is and what and where i can get copper sulfate? thanks in advance
demo
i'm new to the site, and have been looking around a bit. great site btw. I have a chem 101 background from 10 years ago, so i have forgotten quite a bit. could someone please tell me what the pm is and what and where i can get copper sulfate? thanks in advance
demo