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Câu 25: Khi thuỷ phân hoàn toàn 16,8 gam hỗn hợp X gồm hai este đơn chức, mạch hở cần vừa đủ 0,14 mol NaOH, thu được hỗn hợp Y gồm hai muối của hai axit cacboxylic cùng dãy đồng đẳng và m gam một ancol. Đốt cháy hết Y cần 0,37 mol O2, thu được CO2, H2O và Na2CO3. Giá trị của m là A. 7,28. B. 4,06. C. 10,08. D. 8,40.
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