(2)ͼ2ʾУȶṹC(ĸͬ)BrѧƵE 19(4)賿Ǻչ˾һ239(154й)Ŀͻڷ;кȻʧ٣ȫĹעҲзɻϻӡ(Ϊշм¼)Ѱص֮һȡϻӡIJ֮һǽѣѾӲȴܶС۵ߡʴԶڲֵܣ渻ʯʯҪɷFeTiO3ش
(1)֪FeTiO3УѵĻϼΪ4ۣĻϼΪ2 (2)ұʱɷΪ
ٽʯתΪTiCl4ڽTiCl4Naڡһ·ӦTi NaCl һ
дзӦĻѧʽTiCl44Na=====Ti_4NaClӦΪûӦ 20(3)Դǵᱸܹעȵ㡣
(1)ԻʯȼΪҪԴĻʯȼúʯ͡Ȼ
(2)ʯȼϵȼգᵼºܶ⡣ȥҹΧڳPM2.5ġԪס֮һPM2.5ֱָСڻ2.5ĿҲƿοΪܲPM2.5ABCD
AУѻ͵ط BΪУᳫʹ˽ҳ
Cչ Dȼű
(3)ʯȼϵȼջCO2ЧӦҪԭȻCO2Ҫ;ɫֲĹá
21(5)Ź㷺Ӧá
(1)йرÿʴϵƷԼռ20%40%ƷڳʪĿ(ˮͬʱӴ)
(2)дϡĻѧʽFe2O36HCl===2FeCl33H2O
(3)ͬѧͨʵ֤CuFeAgֽĻ˳ʵṩҩƷУCu(NO3)2ҺAgNO3
ҺFe(NO3)2Һϡᡢͭ˿˿˿
.СͬѧƲʵ飺
ٰ˿װϡԹУ ڰͭ˿װϡԹУ۰˿װϡԹУ ܰͭ˿װAgNO3ҺԹС
۲쵽еʵ˿ݣҺΪdzɫΪСʵ()Ƕġ
.СֻѡҩƷе֣ͨʵ飬ҲﵽʵĿġѡõҩƷFeAgCu(NO3)2Һ[Cu_AgNO3ҺFe(NO3)2Һ](дһҩƷϼ)
22(5)֪סҡdzлѧеֳʣǼҡӦ֮һ(Ӧȥ)תϵͼ
(1)£ΪɫĩΪɫĩĻѧʽH2(CO)ҷӦĻѧʽΪ2Fe2O3_
_3C=====4Fe__3CO2
(2)ΪΣ¼Ϊ壬ҷӦĻѧʽΪCO2__Ca(OH)2===CaCO3_H2O_[Ba(OH)2CO2===BaCO3H2O__]
ʵ̽(2С⣬14) 23(6)װûشй⣺
(1)дбƣƿˮۡ
(2)װȡ̼AзӦĻѧʽΪCaCO3__2HCl_===_CaCl2__CO2__H2OҪȡռһƿĶ̼壬װýӿڵ˳abcg(ýӿĸ˳)̼Ƿķȼŵľڼƿڡ
24(8)һʵУʦһϡ뵽ʢҺСձУδѧϰдո
⡿ӦҺеʲô
롿һΪӦҺһеһX ͬѧIJ£
һֻXXHClXNaOHģXHClNaOH
XĻѧʽNaClͬѧΪDzģƻᷢӦܹ(HClNaOH===NaClH2O)
ʵ̽(1)СͬѧȡձеҺԹУμӼCuSO4ҺԱ仯˵
(2)СͬѧȡձеҺԹУμӼη̪ҺԱ仯ΪһͬѧΪСͬѧжϲѧǷ̪ҺԺҺɫ()
(3)СͬѧȡձеҺԹУμӼ̼Һ۲쵽ݲɴ˶϶ʵ鷢ӦĻѧʽNa2CO32HCl===2NaClH2OCO2
ʵչ(1)(3)ͬԼһַ֤
ʵȡձеҺԹУþ(ZnFe)ݲ() ġ(2С⣬8)
25(3)ĿǰгϳľǴΪԭϵġǡľǴĻѧʽC5H12O5ںСش
(1)ľǴл(л)
(2)ľǴԷ152ԪصΪ7.9%(ȷ0.1%)
26(5)8.0 gȫˮγҺмһͭҺǡȫӦûΪ109.8 g
㣺(1)Ӧ (2)ӦҺ
⣺跴ӦΪxӦNa2SO4Ϊy 2NaOHCuSO4===Cu(OH)2Na2SO4 80 98 142 80 g x y 8098142
8.0 gxyx9.8 g y14.2 g ӦҺΪ
14.2 g
100%14.2%
109.8 g9.8 g
(1)ӦΪ9.8 g(2)ӦҺΪ14.2%
пѧģԾ
һѡ⣨15С⣬ÿСֻһѡ⣬ÿС2֣30֣
1Դ⡢ΪȫǹעĽ֮һȫܶص
ǵͽصӰ졣й˵( ) AȾָָPM2.5 Bֹ˽ҳУij˹г
Cٻʯȼϵʹãܶؿ̫ܡܡȵ
DϾɵزⶪӦͳһռдԼȾͬʱԻսԴ 2зѧ仯( )
Aʯͽз
Búˮɹ
DҴȼ
Cиʯ
3.ڴǣ A ҽþƾ B ˮ C ¿ D ӵʳ 4.еԪصĻϼߵǣ A N2 B NO C NO2 D N2O 5۵ϵǻѧе˼άʽжں۽У ǣ
Aˮֱֽͨ⣬Ϊˮӱƻγµķ B㲻˵˷ڲ˶
C20mLˮ 20mLƾϺС40mLΪˮӵ Dһ̼Ͷ̼вͬĻѧʣΪǵķӲͬ 6˵վкȼ˻ӵײ£ԭӺ˷ԭӼһЩӺߣͬʱͷŴֻ硣ԪԪڱʾϢͼʾ±ȷ( ) Aͼ2ͼ3Ԫ Bͼ3ʾӵĻѧSr CԭӵΪ38
Dԭӵԭ87.62g
7õ豸Ļ֣жϵԴʱװҺ̬Ȼ̼ġ ʱҺ̬Ȼ̼
ѸתΪ̬ڻϡݴƲȻ̼ܾе A Bȼ Cܶȱȿ D
ѣ믡Щӽṹʾͼ