... v H2N-CH(CH2-C6H5)-COOH B. H2N-CH2-COOH; HOOC-CH2-CH(NH2)-COOH v C6H5-CH2-CH(NH2)-COOH.* C. H2N-CH2-COOH; H2N-CH2-CH(NH2)-COOH v C6H5-CH(NH2)-COOH. ... 4, 2, 3* C. 5, 3, 3, 2, 1 D. 5, 3, 4, 2, 2 Mã đề thi: 091 Trang 2 /4 - Mó thi 091 16.Cho cỏc dung dch: dd H2SO 4 , dd Al2(SO 4 )3, dd Na2CO3, dd Ba(OH)2, dd NaNO3, dd NH 4 NO3, ... ; H2SO 4 . B. Cu(NO3)2 ; Fe(NO3)2 ; H2SO 4 . C. CuSO 4 ; Fe2(SO 4 )3 ; H2SO 4 . D. CuSO 4 ; FeSO 4 ; H2SO 4 .* 23. A l mt este cú cụng thc phõn t C16H 14 O 4 . Mt mol...