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凡是不能完全電離的都是弱鹼,氫氧化鎂是弱鹼,有時又叫中強鹼
樓上的方程是沒錯,但不能判斷!取反應後的上層清液(有氫氧化鈉,可能有碳酸鈉),加進試管,再滴加鹽酸,如有氣泡產生則反應不完全,無明顯變化則說明反應完全
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