Chemistry, 08.09.2021 15:30 xdimplesjoon
Bài 4: Cho 10g hỗn hợp bột nhôm và đồng vào dd HCl3M thấy thoát ra V lít khí(đktc)và còn lại 4,6 g chất rắn không tan. Tìm V và % khối lượng mỗi kim loại ban đầuTính thể tích dd HCl đã dung.
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Bài 4: Cho 10g hỗn hợp bột nhôm và đồng vào dd HCl3M thấy thoát ra V lít khí(đktc)và còn lại 4,6 g c...
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