657KiB, 800x449, ???????????????.png View SameGoogleiqdbSauceNAO am i doing it right ? Anonymous Sun 28 Mar 16:07:43 2021 No.12894188 ViewReplyOriginalReport Quoted By: >>12894735 HCL 15% mL + FeS --->H2S H2S + NH3 + S --> (NH4)2Sx ?