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ճ壬ѡҺ彫ϵľϴת벼©Һʵ
Aˮ BNaClҺ C95ҴˮҺ DҺ
۳ϣӦȶϿ ֮ƤܣԷ
ؽᾧܽ⡢ȹˡȴᾧˡϴӡؽᾧе ȥ˲ʡ
DZɫУʣܼɢ졣ijͬѧñɫżʵ鿪ʼʱչİߵͼʾʽż˳ʽżķӼ ǿ
ʼʱչƷƷ
ο𰸼ֽ
ѡ⣺10С⣬ÿС2֣20֡ÿСֻһѡϣ⡣
1B 2A 3C 4D 5B 6C 7D 8C 9D 10A
ѡ⣺5С⣬ÿС4֣20֡ÿСֻһѡ⡣ȷֻһѡѡʱС0֣ȷ𰸰
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ѡֻѡһȷĵ2֣ѡҶȷĵֻ֣ҪѡһС͵0֡
11B 12AD 13D 14AB 15BC ѡ
162Cu+ 4H++O22Cu2++ 2H2O
As2O3+12H++12e-2AsH3+3H2O Ǣ1:3 3.3~7.2
ȡеμH2O2ٵKSCNҺҺ죬ҺкFeԪ H2SO4
(ÿ2֣12)
17Ѽʻͪ ȡӦ
OCH3OONO2
OOCH
H
CH3OCOOCOCH3O2CH3OCH3CH2COOHAlCl3CH3OHŨH2SO4CH3OCH3CH2COOCH3
CH2CHOHOOCOCH3Na2Cr2O7HOOCOHCH2COOCH3CH2COOCH3(ڢŢСÿ2֣ڢǢСÿ3֣ڢС5֣15)
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18358.4
ƢH2O2+ ClO- Cl-+ O2+ H2O ڳȥH2O2
n(K2Cr2O7)= 0.01000 molL-120.0010-3 L=210-4 mol Cr2O72-+6Fe2++14H+2Cr3++6Fe3++7H2O
K2Cr2O7ӦFe2+n(Fe2+)1= 210-4 mol6=1.210-3 mol
ClO3-ӦFe2+n(Fe2+)2=0.1000 molL-130.0010-3 L1.210-3
mol=1.810-3 mol
ClO3-+6Fe2++6H+Cl-+6Fe3++3H2O
10 mLNaClOҺУn(NaClO3)= 1.810-3 mol 6=310-4 mol
310-4 mol106.5 gmol-11010-3 L1ƷNaClO3ĺ==3.195 gL-1
(ڢƢС6֣ÿ2֣12)
19NH4ClˮNH4+NH3H2Oĵ
ƢٷֹCo(OH)3
H2O2+ 2CoCl2+2NH4Cl+10NH3H2O2Co(NH3)6Cl3+ 12H2O H2O2+ 2CoCl2+2NH4Cl+10NH32Co(NH3)6Cl3+ 2H2O ˮԡ
ǽȻܵܽȣ߲
ȳȹˣҺмŨᣬñˮԡȴˣҴϴ
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(ڢС5֣ÿ2֣15)
2030.8
ƢCaS CaS+3CaSO44CaO+4SO2
·Ӧﵽƽ⣬CaCl2ıƽƶ ۸£CCO2ӦCOʹתΪʣ 1.7510 molL
(ÿ2֣14)
21A[Ar]3d8
spsp3 5mol
ǢCO32-NO3- ڼװˮγɷӼ 4
(ÿ2֣12)
Bųȥþ Ƣٻ D
۳úͰȫƿ ܳȹ
(ÿ2֣12)
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-2
-1