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diepphulo
2 năm trước
Tìm CTPT của hỗn hợp gồm ankan, anken biết : 13,44 lít (dktc) hỗn hợp X gồm 1 Ankan A và 1 Anken B (ở thể khí) nặng 31,6 g. X làm mất màu vừa đủ 100 ml dung dịch Br2 2M.
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