Q
quetoithanhhoa12
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Hoàn thành phản ứng sau :
[tex]S + KMnO_4 + H_2SO_4 ----------> [/tex]
[tex]MnO_2 + H_2O_2 ----------->[/tex]
[tex]S + KMnO_4 + H_2SO_4 ----------> [/tex]
[tex]MnO_2 + H_2O_2 ----------->[/tex]
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