现有含Fe(NO3)3、Cu(NO3)2、HNO3的某稀溶液，若向其中逐步加入铁粉，溶液中Fe2+浓度与加入铁粉的物质的量之间的关系如右图所示，则该溶液中Fe(NO3)3、Cu(NO3)2、HNO3物_刷题宝

题干

现有含Fe(NO₃)₃、Cu(NO₃)₂、HNO₃的某稀溶液，若向其中逐步加入铁粉，溶液中Fe²⁺浓度与加入铁粉的物质的量之间的关系如右图所示，则该溶液中Fe(NO₃)₃、Cu(NO₃)₂、HNO₃物质的量浓度之比为( )

A：1∶1∶3

B：1∶2∶4

C：1∶1∶4

D：1∶3∶1

上一题下一题 0.0难度选择题更新时间:2012-09-28 04:37:16

答案(点此获取答案解析）

C

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