题目内容
往含I-和Cl-的稀溶液中滴入AgNO3溶液,沉淀的质量m(沉淀)与加入AgNO3溶液体积V(AgNO3)的关系如图所示.则原溶液中 c(I-)c(Cl-)的比值为( )
2021-09-10
A.v2-v1v1
B.v1v2
C.v1v2-v1
D.v2v1
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