某同学设计了如图所示的套管实验装置来制备so2并利用实验现象来检验其还原性制备so2时选用的试剂为cu和浓h2so4.回答下列问题1写出制取so2的化学方程式cu 2h2so4浓 Template




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tomski某同学设计了如图所示的套管实验装置来制备so2并利用实验现象来检验其还原性制备so2时选用的试剂为cu和浓h2so4.回答下列问题1写出制取so2的化学方程式cu 2h2so4浓 coloring