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locq5098
2 năm trước
cho 0,35 gam một anken vào 8 gam dung dịch brom trong CCl4 có nồng độ 12,5% thì thấy dung dịch brom mất màu xác định công thức phân tử , viết công thức cấu tạo và gọi tên của tất cả các đồng phân cấu tạo ứng với công thức phân tử trên
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