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tham12
2 năm trước
thủy phan hoàn toàn 3,42 gam saccarozo trong mt axit,thu dc dd X cho toàn bộ dd X phản ứng hết vs lượng dư dd AgNO3/NH3,đun nóng thu dc m gam Ag.Giá trị m là ______________________________ Đốt cháy hoàn toàn 0,33 gam 1 este X ( tạo nên từ 1 axit cacboxylic đơn chức và 1 ancol đơn chức) thu dc 0,66 gam CO2 và 0,27 g H2O.CTPT X là
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