catchsnake 2008-12-27 13:40
Francisco 2008-12-27 17:23
catchsnake 2008-12-27 20:45
ovish1001 2008-12-27 21:00
2Fe(OH)2(白色絮状) + Cl2 + 2OH- | ![]() | 2Fe(OH)3↓+ 3Cl- |
Francisco 2008-12-27 21:07
ovish1001 2008-12-27 21:11
catchsnake 2008-12-27 21:53
Francisco 2008-12-27 22:02