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        1. }Ŀ׻XAlPͨһNVVѬxˮa(chn)߶PH3wc-132߀ԭԏl(wi)ȫ˜Ҏ(gu)Zʳ׻PH3Ӌĺ^0.05mgkg-1rZʳ|(zh)ϸ֮Zʳ|(zh)ϸijW(xu)dȤСMͬW(xu)ͨ^зZʳК׻ﺬMо

          ̡

          bbPH3Įa(chn)cD(zhun)KMnO4Һc˜Һζ

          ֪ C ʢ 100 gԭZE ʢ 20.00 mL 1.1310-3 mol L-1KMnO4ҺH2SO4)ՈشІ}

          1xDQ____________________________

          2Bʢнԛ]ʳĉAҺտ՚еO2ֹbCɵPH3tAʢbKMnO4Һ_________________________

          3֪MnO4-߀ԭMn2+0.1mol PH3ǡñ0.16mol KMnO4tPH3Įa(chn)__________Eаl(f)(yng)xӷʽ_________________________

          4ռEҺˮϡ250mLȡ25.00mLFƿ5.010-4mol L-1Na2SO3˜ҺζʣKMnO4Һ

          Όģ

          1

          2

          3

          mL

          11.02

          11.30

          10.98

          ζ_KcĬF(xin)ǣ________________________________

          (sh)(j)̎Na2SO3˜Һ____mLtԓԭZ׻PH3Ӌĺ______________________mg kg-1

          Cз(yng)ȫӛͨ՚⼴MУ4еĵζtNa2SO3˜Һwe____________xƫƫС׃

          𰸡 ֱ() ȥ՚е߀ԭԚwӰ푌Y(ji) H3PO4 5PH3+8MnO4-+24H+==5H3PO4+8Mn2++12H2O FƿҺɫɫǡ׃?yu)oɫҰ犃(ni)׃ɫ 11.00 0.13 0.1275 ƫ

          (1)bDʴ𰸞飺

          (2)(j)bÈDbеԇxДiҺǏտ՚е߀ԭԚwԛ]ʳȺ͉A(yng)ٺⷴ(yng)⣻PH3ȼʴ𰸞飺ȥ՚е߀ԭԚwӰ푌Y(ji)

          (3)PH3Ըiᣬi⛱߀ԭixY(ji)غ늺غԭغƽõxӷʽ飺5PH3+8MnO4-+24H+=5H3PO4+8Mn2++12H2Oʴ𰸞飺H3PO4()5PH3+8MnO4-+24H+=5H3PO4+8Mn2++12H2O

          (4)(j)ζ(yng)2KMnO4+5Na2SO3+3H2SO4=2MnSO4+K2SO4+5Na2SO4+3H2OПoxָʾFƿҺɫɫǡ׃?yu)oɫҰ犃(ni)׃ɫʾ_˵ζKcʴ𰸞飺FƿҺɫɫǡ׃?yu)oɫҰ犃(ni)׃ɫ

          ռEҺˮϡ250mLȡ25.00mLFƿÝȞ510-4mol/L Na2SO3˜ҺζʣKMnO4ҺNa2SO3˜Һ11.00mL(j)ζ(yng)2KMnO4+5Na2SO3+3H2SO4=2MnSO4+K2SO4+5Na2SO4+3H2O2KMnO45Na2SO3δ(yng)ĸi|(zh)=0.0110L510-4mol/L=2.210-5molcPH3(yng)ĸi|(zh)=1.1310-3mol/L0.020L-2.210-5mol=6.010-7mol(j)(yng) 5PH3+8KMnO4+12H2SO4=5H3PO4+8MnSO4+4K2SO4+12H2OõP(gun)ϵ飺5PH38KMnO4ӋõPH3|(zh)=6.010-7mol=3.7510-7moltPH3|(zh)֔(sh)==0.1275mg/kg0.13mg/kgԓԭZ|(zh)ϸ񣬹ʴ𰸞飺11.000.13

          ۜʴ_yPH3ĺҪøiҺȫa(chn)^`ͨ՚DZCPH3ȫCз(yng)ȫӛͨ՚⼴M(4)еĵζtʣĸiƫ࣬ζNa2SO3˜Һweƫʴ𰸞飺ƫ

          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          }ĿSȵļӴl(f)չȼ늳܇ɞоn}Dijn}MO(sh)ӋҺwȼ늳ʾDP(gun)_

          A. ԓ늳صă(yu)cDza(chn)ȾwҺwȼϱڔy

          B. 늳؃(ni)ʹõxӽQĤOH-(jng)QĤؓO

          C. ԓȼ늳ص늘Oϲö׼{̼ϣDĿ|e

          D. ԓ늳ͨN2H4늘OOl(f)늘O(yng)ʽN2H4+4OH--4e-=N2+4H2O

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ\(ZnS)һNҪĻԭyˮɟ\ďU\ȡ乤ˇˆDʾ

          1\ҵĽȡɲõķ____________(̖)

          ĥ ڶνȡ ߜض ܼӉ ݔ

          2EÞVе|(zh)_______________(W(xu)ʽ)

          3EпɵCd|(zh)µs|(zh)ԇX(yng)____________

          4E߀ԻNa2SO4ȡNa2S

          ٙzZnSwǷϴɃķ_________________

          Na2Sɵ|(zh)Na2SO4CH4ڸߜء߻lȡW(xu)(yng)ʽ_______________________________

          5EZnCO3bmolECddmol,õVL|(zh)Ȟcmol/LNa2SO4ҺtՓ\к\Ԫص|(zh)____________

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿȣClO2ǘOˮҲcˮl(f)W(xu)(yng)SGɫwc 11̎UˮijСMڌ̽ ClO2 c Na2S ķ(yng)شІ}

          1ClO2 Ƃ

          ֪SO22NaClO3H2SO42ClO22NaHSO4

          b A з(yng)ĻW(xu)ʽ____________

          ռ ClO2xψDеbB a________________Сĸʾ

          b D __________________

          2ClO2 c Na2S ķ(yng)

          ռ ClO2 N2 ϡ䷀(wn)mϡጺ ClO2 ͨψDʾbгַ(yng)õoɫҺһΕrgͨ^Ќ̽ I з(yng)Įa(chn)

          _________________________________

          ClO2 c Na2S (yng)xӷʽ____________̎UˮrClO2 Cl2 ă(yu)c____________Όһl

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ҇ĻԴhLйŷᄾƹˇУ԰l(f)W(xu)(yng)^ǣ
          A.v
          B.l(f)
          C.ߜs
          D.Ȫˮ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿNAʾ٤_(sh)ֵД_ǣ
          A.س16 g O3ԭӔ(sh)ĿNA
          B.1 molL1CaCl2ҺкеCl(sh)Ŀ2NA
          C.5.6 g Fec}ᷴ(yng)ʧȥӔ(sh)Ŀ0.3NA
          D.˜ʠr£22.4 LеķӔ(sh)ĿNA

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿһN͵ľGɫԴһNҪĻԭ|(zh)C Ӌcˮⷴ(yng)ȡH2һNͺЧʵH2ԓɚ⻯tH2ȼtCaOɲ(gu)⻯t漰ķ(yng)飺

          I.Cs+H2OgCOg+H2g K1

          .COg+H2OgCO2g+H2g K2

          .CaOs+CO2gCaCO3s K3

          1ԓˇH2(yng)ɱʾC(s)+2H2O(g)+CaO(s)CaCO3(s)+2H2(g)䷴(yng)ƽⳣ(sh)K=_______________K1K2K3Ĵ(sh)ʽʾ2L]мһC(s)H2O(g)CaO(s)f(yng)_ƽB(ti)__________

          a(ni)|(zh)׃ bH2cH2Og|(zh)֮Ȳ׃

          cϚwܶȲ׃ dγ a mol H-HIͬr 2 amol H-OI

          2ڷ(yng)ͬضȺ͉H2a(chn)Ӱ±

          ض

          p1/Mpa

          p2/Mpa

          500

          45.6%

          51.3%

          700

          67.8%

          71.6%

          ɱД(sh)(j)Дࣺp1 ______ p2򡰣

          ЈD__________

          3֪(yng)H= 41.1 kJ/mol COOHHHIܷքe803kJ/mol464 kJ/mol436 kJ/molt CO̼IIܞ___________ kJ/mol

          4ڷ(yng)ƽrٳCO2ʹԭ2tƽ_____________(yng)淴(yng)ƄƽCO2_________׃׃С׃

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿABCDEԭ(sh)NԪAԭ(sh)BDԭ(sh)֮͵1/4CԪص߃rˮһNЏA׺ͱDԪصăɷNҊҺͶBԪصăɷNҊͬخw0.005mol/LҺpH=2 ֮gD(zhun)P(gun)ϵˆDʾַ(yng)ʡԣД_

          A. CDԪγɻٹr

          B. ADքecBԪγɵĻﶼǴȾ

          C. CDĺxӾܴMˮx

          D. EˮԴDˮ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿϩͪCH2=C=OһlcĻl(f)ӳɷ(yng)(yng)ɱʾ飺 ϩͪһl¿cԇӳɣa(chn)ﲻ_ǣ
          A.cHClӳCH3COCl
          B.cH2OӳCH3COOH
          C.cCH3OHӳCH3COCH2OH
          D.cCH3COOHӳ

          鿴𰸺ͽ>>

          ͬ(x)Դ