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tronglam234
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
SO2 + NaOH -> NaHSO3
SO2 + 2NaOH -> Na2SO3 + 2H2O
khj nào xảy ra pt(1),(2)?
khj nào xảy ra cả 2 pt?
tks nhju
SO2 + 2NaOH -> Na2SO3 + 2H2O
khj nào xảy ra pt(1),(2)?
khj nào xảy ra cả 2 pt?
tks nhju