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tknguyenst123
2 năm trước
Đốt cháy hoàn toàn 5,6 (g) sắt thu được m (g) $Fe_{3}$$O_{4}$ a) Xác định khối lượng $Fe_{3}$$O_{4}$ b) Tính thể tích khí oxi cần dùng Mn người nhớ tóm tắt, giải nhanh giúp mik vs nha
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