[化學] 緩衝溶液和酸鹼
If we want to prepare a buffer solution,by mixing with hydrofluoric acid,water.
And which one should also be added?
(A) NaF (B) NaCl (C) KBr (D) NaBr
我想選A，不過自己不確定，所以想問問看各位的意見
Which ion below wll act as a weak base in water?
(A) Cl- (B) NO3- (C) OH- (D) ClO-
這一題自己就比較沒頭緒
想請問各位這題要如何判斷?
以上二題
先拜謝各位了m(_ _")m
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這部份是不是可以找鹽類的水解那部分來參考?
因為像您這樣說的話我第一個想到的是鹽類水解那一章的東西
如果是像那樣判斷的話D我就不知道是強鹼或是弱鹼
因為我手上的書都只有說是酸中鹼，並沒有說強弱
判斷強弱要用什麼方法呢?
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感謝大家的解答
這樣這二題我了解了:D
另外想再追加一個問題
由於我自己本身酸鹼這一章很弱
請問酸鹼這部份的章節要怎麼讀會比較好呢?
雖然手上的書看了二三遍
但是做到題目時還是會卡死...
※ 編輯: fs83 來自: 122.122.248.70 (02/23 19:28)
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