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NamDo
2 năm trước
Xác định A, B, C, D và hoàn thành các phương trình phản ứng sau: 1. MnO2 + (A) → MnCl2 + (B)↑ + (C) 2. (B) + H2 → (A) 3. (A) + (D) → FeCl2 + H2 4. (B) + (D) → FeCl3 5. (B) + (C) → (A) + HclO
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