ʹѧ2019ѧڿѧ
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õԭ O 16 S 32 Cl 35.5 Na 23 S 32 N 14 I 127
Iѡ 54֣
һѡ⣨18С⣬ÿС3֣54֡ÿСֻһѡ⣩ 1.Уڴ( )
մ ˮ ۲ Ư ݵ ˮ Һ A.٢ۢ Bڢܢ Cݢ Dޢ 2.˵ȷ( )
Aˮڻ߷ӻڻ Bڼ֬
CNaHSO4NaHCO3ʽΣҺ
DSiO2ܺNaOHҺӦܺᷴӦ 3ӵֵΪNA˵ȷ( )
A1 L 0.1 molL
1 NH4ClҺУNH4
Ϊ0.1NA B2.4 g MgH2SO4ȫӦתƵĵΪ0.1NA C״£2.24 L N2O2ĻзΪ0.2NA
D0.1 mol H20.1 mol I2ܱгַӦΪ0.2NA 4Ԫصĵʼ仯ȷ( )
Aɫ۵ԽϵͣܶȱˮС BNa2O2ӸΪ11
CڿгڷãձΪ̼
DNa2ONa2O2ɽƺɣNa2ONa2O2Oļ̬ͬ 5ȡSO2֤ƯԡռβװúԭܴﵽʵĿĵ(
)
6ʵǸʻ;ġʵ뻯ѧʽ;һ( )
ѡ A B C D
7֪16S34Seλͬһ壬йϵȷ( )
AȶԣHFHClH2S BԭӰ뾶BrSeCl CԭԣS2Se2Cl DԣHBrO4HClO4H2SO4 8.ˮҺܴһ( )
ANaBa2ClSO24 BFe2HSO23ClO CKFe3NO3SCN DMg2NH4ClSO24
9 ָӦӷʽȷǣ A. CuSO4ҺᷴӦCu2S2 === CuS
B. NaAlO2 ҺͨCO2AlO2-+CO2+2H2O===Al(OH)3+HCO3-
ʯӢ ˮ Ҫɷ(ѧʽ) SiO2 Na2CO3 Na2SiO3 Fe2O3 ; ɵ· Ʊ Ʊ轺 Ϳ C. FeSO4ҺмữH2O2Fe2++H2O2+2H+===Fe3++2H2O D. ϡҺӦBa2SO24===BaSO4
10ҪɷΪͶ裬ҵϾйտұ˵вȷ( )
DDaDDDDDbDDcDDdDDAl ٢ڢۢA٢гԼ⣬Ҫй˲ BabԪصĻϼͬ CҪͨİ
DܽеIJǹˡȣdһ
11мڹϡᣬ˺Һмˮаɫɣˣڿмȳٷ仯ΪֹõɫͲֱ( ) AFe(OH)3 Fe2O3 CFe(OH)2 Fe(OH)3
BFe(OH)2 Fe2O3 DFe(OH)2 FeO
NaOHҺ
12ijͬѧװƱCl2ʡ˵ȷ( )
AͼУMnO2ŨͿȫ BͼУͲз˼ӳɷӦ CͼУɫ
DͼУʪɫɫ
13ԼУʹFe2תΪFe3( )
NaClҺ KMnO4Һ ϡHNO3 NaNO3Һ A٢ڢ
B٢ۢ
Cڢܢ Dڢݢ
14 .йʵѡȷ( )
A B C D A.0.10 molL1NaOHҺ B.ȥCOеCO2
C.ȡˮI2ֳˮIJ D.¼ζյΪ12.20 mL 15ijɫҺӵļжȷ( )
AAgNO3ҺɰɫϡܽʱȷCl BͨCl2ҺΪɫҺҺȷI CBa(NO3)2ҺɰɫϡܽʱȷSO24 DϡᣬɵʹʯˮǣȷCO23 16йڳл˵ȷ( )