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phatminh604
2 năm trước
Cho 8,4g kim loại sắt tác dụng hết với axit clohidric tạo ra muối sắt ( hóa trị 2) clorua và hidro a,viết pt b, tính thể tích hidro thu đc ở điều kiện thường c, tính khối lượng sắt clorua sau phản ứng là bao nhiêu ?
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