,+&ơ11* 751*,+&63+0 KHOA HO 1*8 nancol = 0,06 mol 23,76 108 nAg 0,22mol 0,22 0,06 3,67 !2 !&yPӝWDQFROOj&+ ;pWWӍOӋ 3OH nancol nCH 3OH n Ag 2nancol 0,22 2.0,06 0,05mol *ӑLF{QJWKӭFWәQJTXiWFӫDDQFROFzQ nROH = 0,06 ±0,05 = 0,01 mol mROH = 2,2 ±0,05 32 = 0,6 gam MROH = 0,6/0,01= 60 (gam/mol) !$QFROOj& 3H7OH 3KҧQӭQJYӟLNLPORҥLNLӅP R(OH) x+ xK R(OK)x + _x H 2 63 +RһF52+1Dĺ521D H2 Ỉ 1KұQ[pW .KӕLOѭӧQJGXQJGӏFKVDXWăQJOrQ GөQJÿӏQKOXұWEҧRWRjQNKӕLOѭӧQJ9jV ±2+ VӕPRO+ 9tGө Cho 2,84 gam KӛQKӧSUѭӧXÿѫQFKӭFOjÿӗ GөQJYӟLPӝWOѭӧQJ1DYӯDÿӫWҥRUD gam FKҩWUҳQYj9OtWNK ӣÿNWF7tQ JLiWUӏFӫD V +ѭӟQJGүQJLҧL R OjJӕFKLÿURFDFERQWUXQJEuQKYj[Oj ĈһW FӫDUѭӧX C1 : Ta có: ROH + Na o RONa + H2 x mol o x o x R 17 x 2,84 ° o *LҧLUDÿѭӧF[ ® R 39 x 4,6 ° ¯ PRO C2 : Ta có : nancol = x = (4,6 ±2,84)/22 = 0,08 (mol) 9ұ\ : VH 0,08 u 22,4 0,896 lít 9tGө $%&OjEDFKҩWKӳXFѫWKѫPFyF 7H82+m\[iFÿӏQ C %LӃWUҵQJ$WiFGөQJÿѭӧFYӟL1DYj1D FҫQ mol Br2%FKӍWiFGөQJÿѭӧFYӟL1D&zQ& +ѭӟQJGүQJLҧL &iF&7&7FyWKӇFyFӫD& 7H8O là: 9u$WiFGөQJÿѭӧFYӟL1DYj1D2+ n A : n Br2 1: A m-crezol 9u%FKӍWiFGөQJYӟL1D %Oj DQFROWKѫP 9u&NK{QJWiFGөQJYӟL1DYj1D2+ &Oj HWHWKѫP 64 9tGө &KRPJDPKӛQKӧS;JӗPSKHQROYjH Gѭ WKXÿѭӧFOtWNKt+ ÿNWF 0һWNKiFÿӇSKҧQӭ FҫQPOGXQJGӏFK1D2+0*LiWUӏF +ѭӟQJGүQJLҧL 7DFySKѭѫQJWUuQKSKҧQӭQJ C6H5OH + Na C6H5ONa + 1/2 H2 C6H5OH + NaOH C6H5ONa + H2O C2H5OH + Na C2H5ONa + 1/2 H2 7KHRJLҧWKLӃWWDFy n phenol +ancol = 2n = 2.0,1 = 0,2 mol H 0һWNKiF Q phenol = nNaOH = 0,1 mol nancol = 0,1 mol mX = 0,1.94 +0,1.46 = 14(g) 9t Gө &KR KӧS FKҩW KӳX Fѫ ; SKkQ Wӱ FKӍ FKӭF ;iFÿӏQK&7&7FӫD;ELӃWJD NH3 WҥRUDJDP$J0һWNKiFPRO ÿӫYӟLJDP1D +ѭӟQJGүQJLҧL 7DFySKѭѫQJWUuQKSKҧQӭQJ R(CHO)n + nH2 o 5¶ 2+ n 0,1 mol (1) 0,1mol n 5¶ 2+ ... ,+&ơ 11* &1* 751*+63+0 F OS 7GR HQKSK~F KHOA HÓA 1+,ӊ09Ө.+Ï$/8Ұ17Ӕ71*+,ӊ3 +ӑYjWrQ 1*8