}ĿijW(xu)оԌW(xu)(x)СMO(sh)ӋyNaHCO3Na2CO3NaHCO3|(zh)֔(sh)
һDbMЌش}
DMbxzbõĚԡ
ǰQȡ1790gƷķҺ©6molL-1ֱٮa(chn)wrֹ Č(do)A̎һĿ՚
Y(ji)yU 8.80g
1Bƿbԇ______Cbõ__________________________
2Č(do)A̎һĿ՚Ŀ_______________
3ԓƷNaHCO3|(zh)֔(sh)_____________
QȡһƷСmˮܽСмBa(OH)2Һ^VϴQw|(zh)MP(gun)Ӌ
Ոش𣺌ДǷȫķ_____________________________________
𰸡H2SO4 ֹ՚ˮ⡢CO2MUܱ 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՚еĶ̼MUиɔ_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՚еĶ̼MUиɔ_Ĝy
1֪BƿbԇCbõǷֹ՚ˮCO2MUܱʴ𰸞ֹ՚ˮCO2MUܱ
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
ĿлW(xu) Դ }ͣ
}ĿijdȤСMt⛣K2Cr2O7ҺоY(ji)W(xu)(yng)ԭ֪R׃lʹl(f)ɫ׃á
֪K2Cr2O7Һƽ⣺Cr2OH2O
2CrO
2H
ںtԪصxҺеɫCr2OɫCrO
SɫCr3Gɫ
1iC(yng)Cr2OH2O
2CrO
2H(yng)__________ᡱşᡱ
2iiCֻĝԓƽƄӡԇa_________
3iiiĿҪCĝȣԓƽƄӡˌǷ_A(y)Ŀ________ܡܡ____________
4(j)вͬF(xin)ԵóĽY(ji)Փ__________
5^m(x)
ٽҺ׃SҪԭ________
Һ׃Gɫԓ(yng)xӷʽ_____________
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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
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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.pHͬĢCH3COONaNaHCO3NaClONҺc(Na)٣ڣ
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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
ٶ늘OaBԴ____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____
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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)Ka15.7108Ka21.21015Һеμ0.1 molL1 Na2SҺl(f)(yng)xӷʽ_________
3BCl3Ҫ댧(do)wēsԴˮˮ0.01mol BCl3300mLsˮУҺwe׃ԲӋtҺpHֵs___________
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