... (cho H = 1, C = 12 , O = 16 ) A C15H31COOH v C17H35COOH B C17H33COOH v C15H31COOH C C17H31COOH v C17H33COOH D C17H33COOH v C17H35COOH 43 Trong mt bỡnh kớn cha hi cht hu c X (cú dng CnH2nO2) mch ... (Y) ln lt l: A H-COOCH3 v CH3COOH B HO-CH2-CHO v CH3COOH C H-COOCH3 v CH3-O-CHO D CH3COOH v H-COOCH3 24 Thy phõn hon ton 8,8 gam mt este n chc, mch h X vi 10 0ml dung dch KOH 1M (va ) thu c 4,6 ... to 1, 82 gam sobitol vi hiu sut 80% l A 2,25 gam B 1, 80 gam C 1, 82 gam D 1, 44 gam 27 Khi lờn men 360 gam glucoz vi hiu sut 10 0%, lng ancol etylic thu c l (Cho H = 1, C = 12 , O = 16 ) A 92 gam B 18 4...