常温下,下列各组离子在指定溶液中一定能大量共存的是 A.的溶液

常温下,下列各组离子在指定溶液中一定能大量共存的是

A.的溶液中W W W K S 5 U . C O M

:Fe3+、Cl

B.由水电离的c(H+)=1×10-14mol/L的溶液中:

C.加入铝粉能放出大量氢气的溶液中:

D.c(Fe2+)=0.1mol/L的溶液中:

答案

A

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