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        1. }ĿijW(xu)оԌW(xu)(x)СMO(sh)ӋŒ򞷽yNaHCO3Na2CO3NaHCO3|(zh)֔(sh)

          һˆDbMЌ򞡣ش†}

          DMbxzbõĚԡ

          ǰQȡ1790gƷķҺ©6molL-1ֱٮa(chn)wrֹ Č(do)A̎һĿ՚

          Y(ji)yU͹ 8.80g

          1Bƿbԇ______C__________________________

          2Č(do)A̎һĿ՚Ŀ_______________

          3ԓƷNaHCO3|(zh)֔(sh)_____________

          QȡһƷСmˮܽСмBa(OH)2Һ^VϴQw|(zh)MP(gun)Ӌ

          Ոش𣺌ДǷȫķ_____________________________________

          𰸡H2SO4 ֹ՚ˮ⡢CO2MU͹ܱ ѷ(yng)a(chn)CO2ȫ(do)Uι 70.4% ȡVҺٵμSBa(OH)2Һoɫfȫ

          һyNaHCO3Na2CO3NaHCO3|(zh)֔(sh)Ɍbÿ֪Č(do)A̎һĿ՚⣬ȌbеĶ̼ųNaOHҺɳȥ՚еĶ̼Fƿаl(f)Ʒcķ(yng)ɶ̼wBБ(yng)̼U͹؞鷴(yng)ɶ̼|(zh)еĉAʯҷֹ՚еĶ̼MU͹иɔ_Ĝy

          СмBaOH2ҺNaHCO3Na2CO3(yng)ɳ̼^VҺ^m(x)Κ^^ǷɳДǷȫ

          һyNaHCO3Na2CO3NaHCO3|(zh)֔(sh)Ɍbÿ֪Č(do)A̎һĿ՚⣬ȌbеĶ̼ųNaOHҺɳȥ՚еĶ̼Fƿаl(f)Ʒcķ(yng)ɶ̼wBБ(yng)̼U͹؞鷴(yng)ɶ̼|(zh)еĉAʯҷֹ՚еĶ̼MU͹иɔ_Ĝy

          1֪BƿbԇCbõǷֹ՚ˮCO2MU͹ܱʴ𰸞ֹ՚ˮCO2MU͹ܱ

          2(do)A̎һĿ՚Ŀǰѷ(yng)a(chn)CO2ȫ(do)UιУʴ𰸞ѷ(yng)a(chn)CO2ȫ(do)Uι

          3O(sh)NaHCO3Na2CO3|(zh)քexytx+y=17.90+=ʽ“(lin)x=12.6gԓƷNaHCO3|(zh)֔(sh)100%=70.4%ʴ𰸞70.4%

          СмBaOH2ҺNaHCO3Na2CO3(yng)ɳ̼^ДǷȫķȡVҺٵμSBaOH2Һoɫfȫʴ𰸞ȡVҺٵμSBaOH2Һoɫfȫ

          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          }Ŀ25rҺˮx̶С

          A. pH11İˮ B. 0.01 mol/LNa2CO3Һ

          C. 0.01 mol/L} D. pH4NaHSO3Һ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿCҺдˮƽSO32-+H2OHSO3-+OH-Œ

          A.̪Һ׃tټҺtɫȥ

          B.̪Һ׃tټˮtɫȥ

          C.̪Һ׃tڼҺa(chn)Ҽtɫȥ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿijdȤСMt⛣K2Cr2O7ҺоY(ji)W(xu)(yng)ԭ֪R׃lʹl(f)ɫ׃á

          ֪K2Cr2O7Һƽ⣺Cr2OH2O2CrO2H

          ںtԪصxҺеɫCr2OɫCrOSɫCr3Gɫ

          1iC(yng)Cr2OH2O2CrO2H(yng)__________ᡱ򡰷şᡱ

          2iiCֻĝԓƽƄӡԇa_________

          3iiiĿҪCĝȣԓƽƄӡˌǷ_A(y)Ŀ________ܡ򡰲ܡ____________

          4(j)вͬF(xin)ԵóĽY(ji)Փ__________

          5^m(x)

          ٽҺ׃SҪԭ________

          Һ׃Gɫԓ(yng)xӷʽ_____________

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿAcV(yng)ұȾƤ僵ȹI(y)cһNƂ䷽Na2SO42CNa2S2CO2O(sh)NA鰢ӵ_(sh)Ĕ(sh)ֵf_()

          A. 0.1 molL1Na2SO4ҺкSO42-Ĕ(sh)Ŀ0.1NA

          B. 1 mol 13CԭӔ(sh)6NA

          C. 78 g Na2Sxӿ(sh)2NA

          D. ˜ʠr2.24 L CO2ԭӔ(sh)0.2NA

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿһضҺxӝP(gun)ϵʽ_

          A.pH=5H2SҺc(H+)= cHS-=110-5 molL-1

          B.pH=aİˮҺϡ10pH=bta=b+1

          C.pH=2H2CO3ҺcpH=12NaOHҺϣc(Na+)+ c(H+)= c(OH-)+c( HCO3-)+c( CO32-)

          D.pHͬĢCH3COONaNaHCO3NaClOc(Na)٣ڣ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿBcNa2S2O4ӡȾI(y)һNԭַQUһNɫĩˮҴډAԽ|(zh)з(wn)

          1Na2S2O4SԪصĻσr____

          2Bcڳ՚ИO(wn)׷ֽⲢȼl(f)ը(yng)ĻW(xu)ʽ飺2Na2S2O4=Na2S2O3+Na2SO3+___UrNa2CO3wĿ___

          3Na2S2O4¶ڿ՚ˮ׃|(zh)(dng)߀ԭ|(zh)֮Ȟ12r(yng)a(chn)ĻW(xu)ʽ____

          4I(y)ϿDb늽NaHSO3NaC1ҺNa2S2O4(yng)飺2NaHSO3+2NaC1Na2S2O4+2NaOH+C12

          ٶ늘Oa____OؓO늘O(yng)ʽ____

          ӸĤtBca(chn)ʽԭ____

          yxӵҶᣨEDTAҺμNaOHABcҺɼ{׼yۣԓÁyNa2S2O4䷴(yng)ԭɺαʾ飺2Ag++S2O42-+4OH-=2Ag+2SO32-+2H2OF(xin)ȡ5.000g֮a(chn)ƷyȣƵü{׼y^Vϴ졢Q|(zh)4.320gӋ֮a(chn)ƷBc|(zh)֔(sh)____yBcļȱȌHֵСų^еIJ`ܵԭ____

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿÈDʾbÿɶN,в_(yng)?zi)ĵ?/span>

          x

          ԇ1ԇ2

          ?zi)?/span>

          A

          ^\ʳҺ

          yʳд

          B

          \^ϡ

          y\вc(yng)s|(zh)

          C

          ̼cwˮ

          C̼cˮ

          D

          ^cwˮ

          C^ccˮ(yng)a(chn)w

          A.AB.BC.CD.D

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿĻV;ՈشІ}

          1(H3BO3)ˮxxB(OH)4-Ոԇxʽ___________

          2֪H3BO3x(sh)Ka5.81010H2Sx(sh)Ka15.7108Ka21.21015Һеμ0.1 molL1 Na2SҺl(f)(yng)xӷʽ_________

          3BCl3Ҫ댧(do)wēsԴˮˮ0.01mol BCl3300mLsˮУҺwe׃ԲӋtҺpHֵs___________

          鿴𰸺ͽ>>

          ͬ(x)Դ