I(y)ϳұ\Uе\ZnOFeOFe2O3CuOAl2O3s|(zh)Áa(chn)Zn(NO3)26H2Ow乤ˇ̞飺
P(gun)_ʼͳȫpH±
Al(OH)3 | Fe(OH)3 | Fe(OH)2 | Cu(OH)2 | Zn(OH)2 | |
_ʼpH | 3.3 | 1.5 | 6.5 | 4.2 | 5.4 |
ȫpH | 5.2 | 3.7 | 9.7 | 6.7 | 8.0 |
6֣1m(dng)߷(yng)ضȣ\Uȣ
2Fe3+ 5.2 5.4 KSCN 3Cu2+
ԇ}1(j)l(yng)ʵӰ푿֪m(dng)߷(yng)ضȣ\Uȣ\Ľ
2pˮЏ(qing)ԡsIEټmH2O2ҺFxFx(yng)xӷʽ2Fe2++H2O2+2H+2Fe3++2H2OɱеĔ(sh)(j)֪\_ʼpH5.4XȫpH5.2tʹFe(OH)3Al(OH)3ȫZn(OH)2(yng)ҺpH5.25.4?yn)FxcKSCN(yng)F(xin)ѪtɫtoƬ̣ȡόҺμKSCNҺF(xin)ѪtɫFe3+ȫ
3̈DxӳpH֪VҺ߀~xԼZn۵óȥҺеCu2+
c(din)龧wƂ估ķxἃ(sh)(yn)O(sh)Ӌ(j)cur(ji)
ĿлW(xu) Դ }ͣ(sh)(yn)}
ijСMO(sh)Ӌ(j)Dbã֊Abȥ̽Cl2cNa2CO3(yng)õw|(zh)ijɷ֡
1AȡCl2xӷʽ_______________________________________.
2ͨһCl2(yng)(jng)zyDֻCl2OһNwCֻһN}ͬr(sh)NaHCO3ȣijͬW(xu)Cùw?jin)ijɷM(jn)̽
O(sh)
O(sh)1ڃɷNɷ֣NaHCO3_____________________________
O(sh)2Nɷ֣NaHCO3_____________________________
O(sh)Ӌ(j)M(jn)Ќ(sh)(yn)(sh)(yn)EԼA(y)ڬF(xin)ͽY(ji)Փ
x(sh)(yn)ԇ̓xsˮϡHNO3BaCl2ҺʯˮAgNO3ҺԇܡС
3֪C01 mol Cl2ӷ(yng)O(sh)һ֪Cз(yng)ĻW(xu)ʽ__________________
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ĿлW(xu) Դ }ͣ(sh)(yn)}
ˮǾYԴ죬ĺˮȡʳ}^£
1Eѫ@Br2EBr2߀ԭBr?ĿĞ
2ESO2ˮҺBr2ʿ_(d)95P(gun)(yng)xӷʽ ɴ˷(yng)֪h(hun)o(h)ڹI(y)a(chn)Б(yng)QҪ}
3ijW(xu)оԌW(xu)(x)СM˽ĹI(y)ἃķP(gun)YBr2ķc(din)59ˮжԺ͏(qing)g^a(chn)^̺búD
ՈㅢcӑՓ
وDЃxBQ
(sh)(yn)bЃxBӾzzܣԭ
ی(sh)(yn)bÚãҪ_(d)ἃĿοP(gun)Il
CҺwa(chn)ɫ ȥԓa(chn)ԚCl2мNaBrҺַ(yng)M(jn)еķx
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ĿлW(xu) Դ }ͣ(sh)(yn)}
ijW(xu)dȤСMͬW(xu)ͨ^²Eȡеĵ⣺
ٌƟɻ ڌҽݵҝҺ ^VúxӵҺ ԓҺмmCl2ÓQ ҺM(jn)һϵеȡõ|(zh)
1Ɵ^̿ǷNxM(jn)_____________
A | Bԇ | Cl(f) | D |
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ĿлW(xu) Դ }ͣ(sh)(yn)}
(sh)(yn)Ƃ䰱@NH2COONH4ķ(yng)£2NH3(g)CO2(g) NH2COONH4(s)ԓ(yng)ڸlHɰ@ˮڄt̼@̼@
1ԓ(yng)һl܉l(f)M(jn)t(yng)ĦH 0Сڻڣ
2̼@ĻW(xu)ʽ
3DbM(jn)(sh)(yn)
E1zbÚ
E2(yng)xbˎƷiƿмĚcw㉺Һ©bⰱˮ
E3μӝⰱˮ裬{(dio)(ji)(yng)ڷ(yng)еõa(chn)Ʒ
ٸʢŵˎƷ
ڌ̼}ᷴ(yng)CO2ԓ(sh)(yn)øɱAa(chn)CO2wă(yu)c(din)
Ժ㉺Һ©Һ©Ŀ
ܷ(yng)SCO2p(do)·(yng)(dng)ɲȡ(yng)ʩ
4ͬW(xu)J(rn)ԓ(sh)(yn)bôڰȫ}ՈRİȫ}
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ĿлW(xu) Դ }ͣ(sh)(yn)}
ȣClO2һNSGɫд̼ԚζĚwc(din)-59棬
c(din)11.0ˮI(y)ԳKClO3ͲᣨH2C2O460r(sh)(yng)Ƶ
ijW(xu)MDʾbģMI(y)ȡռClO2
1Aз(yng)a(chn)K2CO3ClO2CO2ȣՈԓ(yng)ĻW(xu)ʽ
2AӜضȿbƾ⣬߀ҪIJx
3(yng)bCпɵNaClO2Һ֪NaClO2Һڜضȵ38r(sh)wNaClO23H2Oڜضȸ38r(sh)wNaClO2(j)ψDʾNaClO2ܽՈa(b)NaClO2ҺƵNaClO2wIJE
ϴܸ
4ClO2ܲ(wn)SSƣˮյõClO2ҺyҺ
ClO2ĺM(jn)Ќ(sh)(yn)
E1(zhn)_ȡClO2Һ10 mLϡጳ100 mLԇӣȡV1mLԇӼ뵽F
ƿ
E2{(dio)(ji)ԇӵpH2.0KIwoƬ˕r(sh)l(f)xӷʽ
飺
E3ָʾc mol/L Na2S2O3ҺζKc(din)Na2S2O3ҺV2 mL
tԭClO2ҺĝȞ gLúĸĴ(sh)ʽʾ
֪2 Na2S2O3+I2= Na2S4O6+2NaI
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ĿлW(xu) Դ }ͣ(sh)(yn)}
IijW(xu)n(dng)СMȾIJַǽM(jn)̽Ո(j)}ĿҪشІ}
(1)ȡNOxӷʽ
(2)Yϵ֪HCOOHCO+H2O(sh)(yn)DlʾbȡCOwxõbÞ
(̖)(sh)(yn)ԓb߀ȡijҊw һNwķʽ
(3)Yϵ֪ôʹ܇βеһ̼͵ְl(f)(yng)D(zhun)̼͵?d)ԓСMڌ(sh)(yn)ģM܇β̎O(sh)Ӌ(j)D2ʾb(֊Aֺbȥ)
ٌ(sh)(yn)ǰP(gun)]Kͨ?d)ŃbеĿ՚Ŀ
b(III)Ҫ
ԓbв֮̎߀(yng)b()a(b) b
IIԓnСMO(sh)Ӌ(j)ďZnSO4FeCl3ĻҺȡZnSO47H2O^£
aڻҺм6 mol/L NaOHҺpH=8ֹ
b^Võsˮϴ
cϴijм2 mol/LᣬҺpH46ӟУß^VVҺZnSO4Һ
dVҺм2 mol/LʹpH=2
֪xԚʽ_ʼȫr(sh)ҺpHҊ±شІ}
Fe(OH)3 | Zn(OH)2 | |
pH | 1.53.2 | 6.48.0 |
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ĿлW(xu) Դ }ͣ(sh)(yn)}
Y@ʾVc̼cҺ(yng)a(chn)wͰɫijͬW(xu)O(sh)Ӌ(j)(sh)(yn)(yn)Ca(chn)̽(yng)ԭ
1O(sh)
(sh)(yn)IɰȥVlĤʢmз̪̼cҺԇУѸٷ(yng)a(chn)ݺͰɫҺɜ\t׃t
ԓͬW(xu)(yng)Юa(chn)İɫ²y
y1ɫܞ
y2ɫܞMgCO3
y3ɫljAʽ̼V[xMgCO3yMg(OH)2]
2O(sh)Ӌ(j)Ԍ(sh)(yn)_a(chn)ﲢ(yn)Cy
(sh)(yn)̖ | (sh)(yn) | (sh)(yn)F(xin) | Y(ji)Փ |
(sh)(yn) | (sh)(yn)IռĚwc(din)ȼ | ܰoȼa(chn){(ln)ɫ | wɷ֞___?___ |
(sh)(yn) | ȡ(sh)(yn)Iеİɫϴ ? | ? | ɫܺMgCO3 |
(sh)(yn) | ȡ(sh)(yn)IеijҺмCaCl2ϡҺ | a(chn)ɫ | Һд x |
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ĿлW(xu) Դ }ͣ(sh)(yn)}
FeSO47H2OVt(y)ˎI(y)I(lng)
1ԹI(y)UFмԭa(chn)FeSO47H2ÖD
Ո?zh)пհס?br />ټm̼cҺĿ______________(yng)IҪӟᔵ(sh)ԭ___________
Д෴(yng)ɵĬF(xin)__________(yng)Ҫ100mL1molLϡᣬ983ѣ184gcm3ĝõăxͲz^ιܼ____________.
ۜyFeSO47H2Oa(chn)ƷFe2ķKMnO4Һζ5Fe28H5Fe3Mn24H2OE飺
Qȡ28500g FeSO47H2Oa(chn)ƷƳ250mLҺ
ȡ2500mLyҺFƿУ
ữ001000moLL KMnO4ҺζKc(din)KMnO4Һweƽֵ2000mL
ijͬW(xu)O(sh)Ӌ(j)Dʾĵζʽ____________Aֲȥĸ̖Д˵ζ(sh)(yn)_(d)Kc(din)ķ____________Ӌ(j)ƷFeSO47H2O|(zh)?jn)?sh)________С(sh)ʾλС(sh)yĘƷFeSO47H2O|(zh)?jn)?sh)ƫͣy^Юa(chn)`ɺԣԭ___________________________
2֪FeSO47H2Owڼӟl°l(f)·(yng)2FeSO47H2OFe2O3SO2SO314H2ODbÿəz(yn)ԓ(yng)Ěwa(chn)
Ո?zh)пհס?br />كxB?yn)a____________________________________________________________________
bCеX______________ԓbˮ_________________
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