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【毎日一問】理論基礎 2020.08.06

2020-08-06View Original

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選択問題:難溶性電解質AgClは、濃度が0.01mol.dm-3の以下の溶液の中で、溶解度が最も小さいのは( ) A.NH3 B.NaCl C.H2O D.Na2SO3 答え:B ヒント:問題解決の過程を説明できた人には追加の報酬を授与します。答えは返信で確認できます
Reply #22020-08-06
B。Bは塩化ナトリウムで、塩化銀は塩化ナトリウム溶液内での電離平衡が左に移動する。
Reply #32020-08-07
B NaCl溶液にはCl-が含まれており、同種イオン効果によってAgClの溶解が妨げられるため、(B)が選ばれる。

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