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1ڲе÷քe_________________________________________
2ڢݲQ_____________
3ṩijԇٌһNԇIJ(̖)_____________
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}ĿԪڱжڵһDPXYZWQf_()
A. ԪYcԪZσr֮͵Ĕ(sh)ֵ9
B. ԭӰ돽ĴСW>Z>Y
C. xӰ돽ĴСW2>Y2>Z3
D. WĚB(ti)仯ğ᷀(wn)Ժ߀ԭԾQ
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}Ŀ₼仯S(yu)ܣӡȷVđ⁰I(y)Uᣨ₡Fixӣȡ₣Sc2O3һN£
شІ}
lϴ조ࡱɳȥxϴˮ93%27.5%pˮˮһ϶ϵČ__________
2ȼ백ˮ{(dio)(ji)pH =3^VVҪɷ_______VҺ백ˮ{(dio)(ji)pH=6VҺSc3+ĝȞ________[֪Ksp[Mn(OH)2]=1.910-13Ksp[Fe(OH)3]=2.610-39Ksp[Sc(OH)3]=9.010-31]
3òᡰ₡25rpH=2IJҺ=_______λЧ(sh)֣₡õ₵xӷʽ_________
֪Kal(H2C2O4)=5.910-2Ka2(H2C2O4)=6.410-5
4₡ƟĻWʽ_____________
5Uк15mg/LV LUȡSc2O3|(zh)____________
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}ĿD錍ȡԁˮbʾD(j)DʾشІ}
1Dеă̎@e`_________________________________________
2AxQ______________BxQ_______________
3rAгԁˮ߀____________________
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}ĿG\FeSO47H2OһNCùˇ£
1G\cNH4HCO3Һа|(zh)֮12CO2xӷʽ__________________________________
2^՚MСFԪصD(zhun);FeCO3FeO
FeH߀ԭCO^иĻWʽ__________________________________
3sE飺ĸҺͨ뺬Ŀ՚⡢{(dio)(ji)pH^Vȥs|(zh)x_________
4ĸҺsõ(NH4)2SO4֮a(chn)ƷEΞl(f)ssY(ji)______srض^ߣa(chn)ƷЌNH4HSO4\ûWƽƄԭԭ_______________
5G\һNC÷ǣG\Óˮl±F(xin)eSO4D(zhun)Fe2O3±팍(sh)(j)SO3ĺɲȡĴʩ__________________
՚ͨ/Ls-1 | ض/ | SO2/% | SO3/% |
0.02 | 850 | 45.4 | 54.6 |
0.06 | 850 | 30.5 | 69.5 |
0.10 | 850 | 11.1 | 88.9 |
0.10 | 810 | 11.1 | 88.9 |
0.10 | 890 | 11.2 | 88.8 |
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}ĿҡNͬxӵĿ|(zh)x±ʾ
ȡ|(zh)NͬweҺ|(zh)|(zh)ȣc(ף>c()>c(t|(zh)ǢMgCl2 NaOH NH4NO3
A. B. C. D. ٢
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