用废铜制取硫酸铜，有人用以下两个实验方案：甲方案：废铜硫酸

用废铜制取硫酸铜，有人用以下两个实验方案：

甲方案：废铜硫酸铜[Cu+2H2SO4(浓)==CuSO4+2H2O+SO2↑]

乙方案：废铜氧化铜硫酸铜

你认为比较合理的是___________，原因______________________________________________________。

答案

乙同学；（1）不产生污染性气体，（2）产生相同质量的硫酸铜，乙方案硫酸用量少；

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用废铜制取硫酸铜，有人用以下两个实验方案： 甲方案：废铜硫酸

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用废铜制取硫酸铜，有人用以下两个实验方案：甲方案：废铜硫酸