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Maiphuong
2 năm trước
Đốt cháy hoàn toàn 3,4 mol hỗn hợp X gồm axit axetic, axit fomic và 2 hidrocacbon đồng đẳng liên tiếp (mạch hở) cần vừa đủ 4,15 mol O2, thu được 4,5 mol H2O. Nếu cho X tác dụng với dung dịch Br2/ CCl4, thì thấy có m gam Br2 tham gia phản ứng. Giá trị của m là: A. 96 B. 112 C. 128 D. 144
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