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在酸性溶液中,K+、I、SO42-、MnO4-可以共存。
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单选题A
pIsub2/sub=Isub3/sub/pB
pIsub2/sub=4Isub3/sub/pC
pIsub2/sub=2Isub3/sub/pD
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pIsubS/sub=10.0413A,Usub95rel/sub=5×10sup-5/sup,Vsubeff/sub=9 /p
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