1、 1 ( ) (3) 1 A KOH B KAl(SO4)2 C KHCO3 D K2CO3 KOH KAl(SO4)2 KHCO3 D D 2 NA A KIO3 6HI=KI 3I2 3H2O 3 mol I2 6NA B 7.2 g (CaO2) 0.3NA C 28 g C2H4 C3H6 C H 4NA D T 1 L pH=12 Na2CO3 OH 0.01NA A KIO3 6HI=KI 3I2 3H2O KIO3 5e 3 mol I2 5NA B 7.2 g (CaO2) 1 =0.1 mol O 2 2 7.2 g 0.2NA C CH2 28 g C H 28 g 1 4
2、NA D C 3 A C23H24O6 B 1 mol 9 mol H2 C KMnO4 D FeCl3 Na2CO3 C23H24O6 A 1 mol 7 mol H2 B Br2 KMnO4 2 C FeCl3 Na2CO3 D B 4 A Ba(NO3)2 SO 2 4 B C D Na2S2O3 SO2 A B C ( ) ( ) D S2O 2 3 2H = SO2 H2O SO2 D 5 50 mL 2 1 A a B U c C b O2 4e 2H2O=4OH D d pH A B c C O2 4e 4H =2H2O D d C 6 W X Y Z Z 3 X 3 X W Y
3、 Z A. B W Y Z 18 C Y D X Y Z W W X Y Z Z X 3 X x x 10=3x x=5 X B Z P Y Si W O A B H2O2 PH3 SiH4 18 C D P2O3 P2O5 D 7 1MOH 1 HCl pH ( ) A a c(OH ) d B b c(OH ) c(H ) c(M ) c(Cl ) C c V(HCl) 12.5 mL D d c(OH ) c(M ) 2c(MOH)=10 3 1 a MOH c(OH )=10 11 1 d c(OH )=10 11 1 A b c(OH ) c(H ) pH=9 c(M ) c(Cl ) c(OH ) c(H ) B V(HCl)=12.5 mL MCl M c pH=7 c V(HCl) 12.5 mL C d V(HCl)=25 mL MCl HCl c(Cl )=2c(M ) 2c(MOH) c(OH ) c(Cl )=c(H ) c(M ) c(H )=c(OH ) c(M ) 2c(MOH)=10 3 1 D 4 D
