若问
Fr_钫
Wed, 30 Jul 2008 17:18:14 +0000
CH3COOH→EtOH
和EtOH1—KMNO4→CH3COOH
# 1
Fr_钫
Wed, 30 Jul 2008 17:35:24 +0000
有人没有?
# 2
复制还
Wed, 30 Jul 2008 17:38:52 +0000
问什么啊?
# 3
Fr_钫
Wed, 30 Jul 2008 19:22:47 +0000
这2个方程式怎么写啊
# 4
硫酸亚铁铵
Wed, 30 Jul 2008 19:23:23 +0000
????没看懂
# 5
yanku
Wed, 30 Jul 2008 19:23:39 +0000
同地板