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作者 sarltk 在 PTT 全部看板的留言(推文), 共322則
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3F推:找離子化合物(鹽類) → 3 CaCl203/16 22:51
2F推:離子強度公式 = 1/2 Σ C*Z^212/15 23:06
3F→:CaCl2 + AgNO3 → AgCl 會沈澱12/15 23:07
4F→:所以 Ca2+ → 0.1mole Cl- → 0.1 mole Ag+ → 0 NO3-→0.112/15 23:08
5F→:如果是溶在 10 L 的話 可以得到 0.03 這個答案12/15 23:09
4F推:第一個方法錯了~~Fe 的原子量是 55.84512/01 22:18
5F推:第二個方法也錯了~~2.019 - 1.774 所少的質量為Fe2O3上的O12/01 22:39
6F→:所以在第二個方法中~要除以 16 而不是 1812/01 22:41
7F推:答案應該是 40.37%12/01 23:13
91F推:感謝分享!11/23 22:13
8F→:用電位能~來想即可 kQq/r 一正一負~所以位能為負~~11/23 22:17
4F推:推 鶯中11/22 22:38
4F推:請問一下~第2及第4總和 都 135 及 3、5 是137 可以合併嗎10/03 10:16
418F推:哲霖要勇敢 手術順利 大家都愛你09/06 23:36
7F推:推 鶯歌 世達中醫09/05 00:04
6F推:推 鶯中08/08 00:15