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nhminh1406
2 năm trước
Cho 11g hỗn hợp Fe, Al tác dụng hết với dung dịch HNO 3 loãng thu được 0,3 mol khí NO. Tính % khối lượng Al. A. 49,1g B. 50,9g C.36,2g D. 63,8g
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