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diem.quynh9516
2 năm trước
1. Viết phương trình phản ứng theo chuỗi sau (ghi rõ điều kiện nếu có) a. S -->SO2--> KHSO3 --> SO2 b. FeS2--> SO2 -->SO3 -->H2SO4 --> K2SO4 -->KCl --> KNO3 c. H2S -->SO2 --> H2SO4 -->SO2 --> S
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