... www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 mX - 60nHCOOCH 11 - 60.0 ,1 = = 10 0(C2H 3COOC2H ) nB 0,05 Vy hn hp X gm HCOOCH3 (0 ,1 mol) v C2H3COOC2H5 (0,05 mol) - Khi cho 16 ,5 gam X (tc 0 ,15 ... + 13 4n(COONa)2 = mX + 40nNaOH - mancol = 28,38 ỡnHCOONa = 0,24mol đớ ịớ BT:Na ợn(COONa)2 = 0,09mol ắắắđ n + 2n = n = 0,42 ù HCOONa (COONa) NaOH ợ m 0,24.68 ị HCOONa = = 1, 353 m(COONa)2 0,09 .13 4 ... www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 102nA 10 0% = 50,5 ị %mB = 49,5 10 2nA + 60nB D Sai, Este A cú ng phõn tng ng l: CH 3COO-C3H7 (2 ng phõn) ; HCOO-C4H9 (4 ng phõn) ; C2H5COOC2H5 (1...