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某溶液中含有HCO3-、SO32-、CO32-、Cl-四种阴离子.向其中加入足量的Na2O2固体后,溶液中离子浓度保持不
某溶液中含有HCO3-、SO32-、CO32-、Cl-四种阴离子.向其中加入足量的Na2O2固体后,溶液中离子浓度保持不
2025-03-15 11:24:30
推荐回答(1个)
回答1:
Na
2
O
2
具有强氧化性,可与SO
3
2-
发生氧化还原反应,Na
2
O
2
与水反应生成NaOH,可与HCO
3
-
反应,则溶液中HCO
3
-
浓度减小,CO
3
2-
浓度增大,故选D.
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