酒精的酸鹼值 - 酒精
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By Jack
at 2010-01-04T00:00
at 2010-01-04T00:00
Table of Contents
我要做實驗
誰可以告訴我酒精的酸鹼值?
誰可以告訴我酒精的酸鹼值?
Tags:
酒精
All Comments
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By Callum
at 2010-01-06T05:18
at 2010-01-06T05:18
酒精(醇)類 一般都是偏弱酸性 (約pH6~7) (在水裡)
相反的 如果不是在水裡
因為H離子很少 所以會偏弱鹼 (7.9)
一般在講酸鹼值時 都是在水溶液裡 所以用pKa 表示 (pKa = 15.9)
所以你做的實驗應該是約pH7吧 (或約6.8等等的)
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