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anhmaufc
2 năm trước
cho 5.4g nhôm tác dụng với dung dịch axitclohidric HCl. PTHH. Al + HCl ---) Al =Cl3 + H2 a.tính khối lượng muối nhôm clorua tạo thành. b.Tính thể tích khí hidro sinh ra (đktc)
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