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thanhyeu2001105
2 năm trước
Cho m(g) hỗn hợp X (Al, Mg) tác dụng hoàn toàn dd HCl, kết thúc phản ứng thu được 5,32 lít khí H2(đktc) và dd Y, khối lượng dd Y tăng 3,94g. Tính mAl trong X Mng giúp mình với nhé
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