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baconee0602
2 năm trước
Khi cho 5,9 gam hỗn hợp Cụ và Al td với dd HNO3 đặc dư đun nóng sinh ra 8,96 lít khí NO2 (dktc) là sản phẩm khử duy nhất. Tính ℅ khối lượng mỗi Kim loại trong hỗn hợp ban đầu
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