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ADADADADAD
浓硫酸,还能,较多
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It is matter of common observation that although
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题目实验室制取二氧化硫的方程式：________________________________________.可圈可点用户2021-02-22 12:26优质解答答案H2SO4+Na2SO3==Na2SO4+SO2↑+H2O解
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题目
实验室制取二氧化硫的方程式：________________________________________.
可圈可点用户
2021-02-22 12:26
优质解答
H2SO4+Na2SO3==Na2SO4+SO2↑+H2O
一般用较浓的硫酸制取，因为浓硫酸中水含量少，SO2溶解的量较少，收集到的SO2较多。另外浓硫酸还能吸水，这样能得到更多的SO2。
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