ݷʱ : 2024/12/26 4:36:35һ µȫĶ
16.ͼaʾͼbcǹϳɻ״ṹӡش⣺
(1)ڻ״ṹйԭΪnд״ṹйӵͨʽ
(2)֪ʯɻ״幹ɵĹΡǺ롢ԪصĸΣк6ԭӡдʯĻѧʽڴ˻дϵʽ
17.Ȼڵ̼ͭ(ȸʯʯ)ĻѧΪ aCuCO3bCu(OH)2(abΪa2b2)
(1)ȸʯʯֱȫܽ⣬HClʵCO2ʵ֮ȣȸʯΪ41ʯΪ31.ǵĻѧΪ
ȸʯʯࣺ
(2)һ̼ͭƷȷΪABݡȻʹAƷȫܽ⣬CO23.36L(״)BƷʹȫֽ⣬õ20gCuO.Լ㲢ȷÿʯĻѧɡ
(3)ij̼ͭȫҺCO26.72L(״)ݿCuOg.
(4)ij̼ͭΪAgCuOΪGg.ȫܽCO2(״)ΪVLͭAVG֮ĹϵʽΪ
A
18.ҪƷҵϵĺƼʳΡˮ̼Ϊԭȡġ֪NaClNaHCO3NH3CO2ܽͼʾ⣻ɷΣ.ʳˮеNH3CO2Сմ.Сմô(1)дƵôйطӦĻѧʽ
(2)ڢʳˮͨӦͨCO2ͨNH3ͬʱͨ?Ϊʲô?
19.ѵʵͭۡۺпͶһȻҺַӦȡҺKSCNҺѪɫҺӣʱ(С)ҺɫKSCNԺɫҺӣʱܴڡ䣬Һкֳɷ?ЩɷֵĹϵȷ?пʣ࣬ҺӦкֳɷ?Щɷֵ뿪ʼʱޱ仯?
20.ABͬԪɣABԪصԭӸֱΪ1112.ABڸʱգﶼC()D()DտƵE()Eһɻ᳣ȡлըҩEϡҺAӦʱGҺFGͨDˮҺʱdzɫɡFеˮټԼҺкɫɣóʱתΪCʣ(1)AĻѧʽǣBĻѧʽǣ(2)дзӦĻѧʽBCDGͨDҺУFеˮ(3)дAEӦӷʽ
21.ADEGԪɵĻﻯѧʽAxD
y(E2G4)z֪xyz
Ϊx+y+z7ȡ8.74gˮǿеEGԪȫתΪEG22.688L(״)ܶΪ1.965g/LEG2ʹʯˮǡ۷ӦADӴҺСFeۣʹDȫԭFeΪ0.56g.ܻDԪصΪ12.8%.ͨȷEGDAǺԪأxyzֵдûĻѧʽ
22.һKNO3ƷֻKH2PO4NH4ClʣijѧֻãˮKOHҺK2CO3ҺAgNO3ҺBaCl2ҺϡԼ㹻ᴿKNO3.ش⣺
(1)ҺȻ˼ʵԼѡԼ˳() (2)Ϊ裬Ӧڼ(Լ)һԹˣ
(3)ⶨƷKNO3(ܡܡ)һԹˡÿμԼҪԼ(ˮ)ԼΪ͡˺СַõKNO3(ڡСڡڡ)ԭƷKNO3ʵ
23.ﰺȷƷƣһϵвƷԴűʾF114114ĺǰλ1̼ԭ1ֵ2̼ԭӣʮλ1ʾԭ1ֵʷ⣻λ4ʾԭԭñʾ̼ԭӵʣۼF114ķʽΪF2ClCCClF2C2F4Cl2дF111F134ķʽ
24.̼wgܱУ³ַӦָʼ¶ȣ÷ӦǰѹǿֱΪPoP.֪PnPo̿xgnı仯ϵͼ
(1)nСֵΪʱxȡֵΧΪ (2)nֵΪʱxȡֵΧΪ
(3)ʵnֵΪaCOCO2Ϊ
25.Cl2ͨ백лᷢ·Ӧ3Cl2+8NH3N2+6NH4Cl.1.12L(״)Ϊ3.335gCl2N2ĻͨŨˮΪ0.672L(״Cl2N2Ϊ50%)Ӧбİ
(1)ǼλͬѧӲͬǶȽʱеĵһʽЩʽж
δ֪xֱʾʲô?(дʽĺ)
?22.4(x?y)?1.12:??71x?28y?3.335
0.6720.672ң3(x-2)1ã2-(1.12-x)ݣ 1.12?0.67222.4(3-1)2()x 3.33571x+28(1-x)1.1222.4
(2)㣬İΪg
26.ӴᣬIJƷ98%20%(H2SO4SO4ĻSO3Ϊ20%)
(1)98%ɱʾΪSO3aH2O20%ɱʾΪH2ObSO3abֵ(ab÷ʾ)ֱǣab
(2)m(H2O)kn(SO3)ֱʾSO3תʱˮSO3ʵĹϵʽ(kֵ)ֱǣ
m1(H2O)n1(SO3)m2(H2O)n2(SO3)
W1(3)ͬʱᣬֲƷx(xW2W198%
W220%)SO3֮ȵĹϵʽǣ
n1(SO3)?n2(SO3)x
(4)ʵʱSO3ܵʵһxг仯ˮm(H2O)xn(SO3)Ĺϵʽǡ
27.ӺͶӽṹ(ͼСʾԭӣѱʾSiO)