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phuonglerube
2 năm trước
giúp em cần gấp lắm ạ Cho hỗn hợp M gồm 2 axit cacboxylic đơn chức mạch hở X và Y(MX<MY) và ancol Z đơn chức ( Y và Z có cùng số nguyên tử hidro trong phân tử).Đốt cháy 0,5 mol hỗn hợp M cần 17,92 lit O2 (đktc) thu được 15,68 l CO2 và 16,2g H2O .Phần trăm khối lượng của Y là
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