1、 N 14 O 16 S 32 H 1 Mg 24 Cl 35.5 Al 27 Zn 65 Mn 55 6 13 78 7. ( ) A B C K 2 FeO 4 D D 8. A SO 2 SO 2 +2H 2 O+Br 2 2H + +SO 4 2 +2HBr B CO 2 ClO +CO 2 +H 2 O HClO+HCO 3 C NaHSO 4 Ba OH 2 Ba 2+ +OH +H + +SO 4 2 BaSO 4 H 2 O D Fe OH 3 Fe OH 3 +3H + Fe 3+ +3H 2 O B A SO 2 SO 2 +2H 2 O+Br 2 4H + +SO 4 2
2、 +2Br A B CO 2 ClO +CO 2 +H 2 O HClO+HCO 3 B C NaHSO 4 Ba OH 2 Ba 2+ +2OH +2H + +SO 4 2 BaSO 4 2H 2 O C D Fe OH 3 D B C D 9. X Y Z W R 5 X Y 3 Z W R R Y Z W Y R A Y Z W B X Y X 2 Y 2C Y R X XmYXmR D W R C X H Y 3 O Z W R R Y R S Z W Y R Z W 8+16=24 Z W Na Al A A B X Y 2 X 2 Y H 2 O X 2 Y 2 H 2 O 2 B
3、 C Y R X Y O R S Y R XmY XmR C D W Al OH 3 R H 2 SO 4 D C 10. N A ( ) A 0.5mol/LFe 2 SO 4 3 SO 4 2- 1.5N AB 7.1gCl 2 NaOH 0.2N AC 5.6 g 0.1 mol 0.2N AD 0.1mol 1L 0.1moL L 1 AlCl 3 0.1N A C 11. TA98 TA100 ( ) A C 15 H 15 O 5B 3 8 C D 1mol 33.6LH 2 C A C 15 H 12 O 5 A B 1 B C C D 3 D C 12. ( ) A CO 2
4、SO 2 B Fe 3 O 4 +3 KSCN C D Fe 3+ Cu 2+ 1.0mol L 1 Fe 2 SO 4 3 D A A B KSCN KSCN B C C D Cu Fe 3+ Cu 2+ D D C 13. Al H 2 O 2 . ( ) A Al B H 2 O 2 C pH D Cl : + + Z+X+X+K C 26 15 Mg(ClO 3 ) 2 Mg(ClO 3 ) 2 6H 2 O :Zxxk.Com MgCl 2 6H 2 O MgSO 4 FeCl 2 (S) (T) : | | Z|X|X|K 1 MgO _ 2 BaCl 2 SO 4 2 SO 4
5、2 _ 3 NaClO 3 MgCl 2 2NaClO 3 Mg(ClO 3 ) 2 2NaCl Mg(ClO 3 ) 2 6H 2 O NaClO 3 4 _ Mg(ClO 3 ) 2 6H 2 O 299 1 3.50g 100mL 2 10mL 10mL 20mL1.000mol/L FeSO 4 3 0.100mol/LK 2 Cr 2 O 7 Cr 2 O 7 2 6Fe 2 14H 2Cr 3 6Fe 3 7H 2 O 4 2 3 K 2 Cr 2 O 7 15.00mL 5 2 _ 6 _ 3 _ 7 Mg(ClO 3 ) 2 6H 2 O _ ( ) 1 BaSO 4 Fe(O
6、H) 3 2 2 BaCl 2 SO 4 2 + 1 3 1 1 4 2 5 ClO 3 +6Fe 2+ +6H + 6Fe 3+ +Cl +3H 2 O 2 6 2 1 7 78.31% 2 1 pH 4 MgO BaSO 4 Fe OH 3 2 BaCl 2 SO 4 2 5 ClO 3 +6Fe 2+ +6H + 6Fe 3+ +Cl +3H 2 O 6 3 7 ClO 3 +6Fe 2+ +6H + =6Fe 3+ +Cl +3H 2 O Cr 2 O 7 2 +6Fe 2+ +14H + 2Cr 3+ +6Fe 3+ +7H 2 O ClO 3 6Fe 2+ Cr 2 O 7 2 6
7、Fe 2+ 0.100mol L 1K 2 Cr 2 O 7 0.100mol L 1 0.015L 6=0.009mol 20 10 3 L 1.000mol L 1 0.009mol=0.011mol 1/6 0.011mol Mg ClO 3 2 6H 2 O 1/2 1/6 0.011 299 10 1/3.50 100%=78.31% 27. (14 1 C(s)+ O 2(g) = CO 2(g) H = -393.5 kJ mol -1 CO(g) + 2 1 O 2(g) = CO 2(g) H = -283.0 kJ mol -1 H 2 (g) + 2 1 O 2(g) =
8、 H 2 O (g) H = -241.8 kJ mol -1 K 2 CO H 2 O(g) CO(g) + H 2 O(g) CO 2 (g)+H 2 (g) H 0 800 K=1.0 H 2 O CO CO 2H 2 n/ mol 来源:Z,xx,k.Com 0.10 0.30 0.10 0.50 n/ mol 0.20 0.20 0 0 CO t 1 t 2 : + + Z+X+X+K t 2 : 3 CO O 2 CO 2 CO Al 2 O 3 10.8g Al L 1 C s +H 2 O g =CO g +H 2 g H=+131.3kJ/mol 2 2 2 2 50% 2
9、2 3 CO+CO 3 2- 2CO 2 +2e - 2 6.72 2 1 C(s)+ O 2(g) = CO 2(g) H = -393.5 kJ mol -1 CO(g) + 2 1 O 2(g) = CO 2(g) H = -283.0 kJ mol -1 H 2 (g) + 2 1 O 2(g) = H 2 O (g) H = -241.8 kJ mol -1 2 0.1 0.5 5 0.1 0.3 3 1 CO x 1 (0.2 ) (0.2 ) xx xx x 0.1 CO 50% t 2 CO 2 CO 3 CO CO 2e - +CO 3 2- 2CO 2 10.8g 10.8
10、g 27g/mol 0.4mol 1.2mol 1.2mol 4 0.3mol 0.3mol 22.4L/mol 6.72L 28. 14 CuFeS 2 SiO 2 Cu 2 S FeSO 4 7H 2 O Z+X+X+K 1 _ 2 _ X _ _ 3 a _ b _ 4 1 _CuFeS 2 +_H 2 SO 4 +_O 2 =_CuSO 4 +_Fe 2 SO 4 3 +_H 2 O 5 KspCu OH 2 =2.2 10 -20 KspFe OH 3 =2.6 10 -39 X pH=4 Fe 3+ Fe OH 3 c Fe 3+ =_ Cu OH 2 Cu 2+ _ 1 Cu 2
11、 S+O 2 2Cu+SO 2 2 2 1 CuO CuCO 3 Cu OH 2 1 pH 2 3 H 2 SO 4 1 Fe 1 (4) 4 2 17 4 2 2 2 (5)2.6 10 -9mol/L 2 ;2.2mol/L 2 2 pH 3 pH A Fe OH 3 a b 4 2 3 1 S 2 6 8 1mol CuFeS 2 17mol 1mol 4mol 4CuFeS 2 +2H 2 SO 4 +17O 2 =4CuSO 4 +2Fe 2 SO 4 3 +2H 2 O 2 pH 4 10 10mol/L c Fe 3+ 39 10 3 2.6 10 / (10 ) mol L 2.6 1 0 -9mol/L 20 10 2 2.2 10 / (10 ) mol L 2.2mol/L Cu OH 2 Cu 2+ 2.2mol/L , 1 2 3 36 38 3 36 36. 2 15 : * * MnO 2 70% A1 2 O 3 ZnS 80 FeS MnO 2 Zn A IV l A _ 2 MnCO 3 Zn 2 OH 2 CO 3 _ II _ C _ 3 MnO 2 Z
