... NaOH : 0, NaCl : 0, 2(mol) R 14, m 40 ,88 22.0,5 29 ,88 (gam) Do ú, X ch c ch n cú cú HCOOH v CH3COOH BTKL m RCOONa 52, 58 0, 2. 58, 5 40 ,88 (gam) BTNT.Na Na CO3 : 0, 25 Cháy Ta l i ... 0 ,8) .(4 b) a b 0 ,8 1,5 b 2,56(mol) 0 ,8 b a 12,32(mol) a b 0 ,8 3b 0 ,8 b 2(4 b) Cõu 43: Ch n ỏp ỏn C D th y X l HCOOCH3 m HCOONa 68 10, 2(gam) 60 Cõu 44 : Ch n ỏp ỏn C 5 ,84 ... tailieulovebook.com thi th THPT Tr ng H Ngo i Th ng - l n 2015 n Y n X 0, 25 1, 05 0, 25 0 ,8 a Your dreams Our mission 15 ,8 9 ,87 5 0 ,8. 2 Cõu 17: Ch n ỏp ỏn D Cõu 18: Ch n ỏp ỏn B 42...