1、2011 I ( ) ( ) 1 Mg-24 Al-27 H-1 C-12 Cl-35.5 O-16 Na-23 N-14 36 1 A B C D 2 NaOH A B C D 3 A Zn B Cu C Zn Cu D Fe Zn 4 H1N1 C 7 H 10 O 5 A B C 7:10:5 D 5 5 A. B. C. D. 6 A B C D pH 6 .8 3.5 12 10 7 “ ” “ ” 8 Na 2 SO 3 Na 2 SO 3 S A. 6 B. 4 C. 2 D. 2 9 A 2Fe 6HCl=2FeCl 3 3H 2 B 2NaOH K 2 CO 3 =2KOH
2、Na 2 CO 3C C O 2 CO D CO CuO CO 2 Cu 10 A 20 KNO 3 80 KNO 3 B 30 NaCl NaCl C 10 g H 2 10g H 2 D NaOH NH 4 NO 3 11 A B C D 12 物质 杂质 除杂试 剂 提纯方法 A H 2 O NaOH 活性炭吸附、过滤 B Na 2 SO 4 Na 2 CO 3 盐 酸 加入盐酸至不再产生气泡 C KCl MnO 2H 2 O 溶解、过滤、蒸发 D CO 2CO O 2点燃 pH 7 /g /g /g /g H 2 /g /g H 2 SO 4 ( 64 ) 32 13 CaCO 3 N
3、a 2 CO 3 “ ” “ ” “ “ NH 4 NO 3 (NH 4 ) 2 SO 4 _ “ ” “ ” “ ” CH 4 pH 7 “” “ ” “ 14 = II 50 15 14 3 AD 14 27 16 Na 2 CO 3+ 2HCl =2NaCl +CO 2+ H2O A 17 C2H5OH+3O2 2CO2+3H2O B 2CO + 2NO = N2 + 2CO2 18 (1)Fe (2)H 2 SO 4 6 18 CuSO 4+ BaCl 2=BaSO 4 + CuCl 2 19 ( 18 ) 20 1 B A 2 A B 2 2 H 2 SO 4 2 CuSO 4 2 1 21 1 2Na+2H 2 O = 2NaOH+H 2 2 2 C 1 4Na+3CO 22Na 2 CO 3+ C 2 “ ” 3 1 1 1 CO 2 1 8 22 x Na 2 CO 3+ Ca(OH) 2= CaCO 3 + 2NaOH 106 100 80 x 106 100x106 80xg 810 % 1 106 x 80 106 100x x =10.6 g 100% = 2 % 2 % 530g 10.6g
