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dinhnhothanhson
2 năm trước
5. SO2+KMNO4+H2O --> K2SO4+MnO4+H2SO4 a) Hãy cân bằng phương pháp hoá học bằng phương pháp thăng bằng e . b) Vai trò của SO2 vag KMnO4 trong pứ trên . 6. Bằng Pứ HH có thể S -> SO2 và ngược lại? SO2 đã phá hủy những công trình bằng tính chất nào. PTPU . 7.Chứng minh SO2 và SO3 là oxit axit
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