下列离子组能在PH=11的水溶液中大量共存的是 A.Cl- 、NO3- 、K+ 、Na+

下列离子组能在PH=11的水溶液中大量共存的是

ACl- NO3- K+ Na+               BCl-SO42- Na+Ag+     

CSO42- NO3-K+ H+                   DBa2+Cl- K+ CO32-

答案

A

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