}ĿijW(xu)dȤСMڲYϕrl(f)F(xin)ȼȼҪ(sh)(j)±
ȼQ | ϞT | ľ̿ | | t | |
/% | 16 | 14 | 8 | 8.8 | 3.2 |
ՈY(ji)ϔ(sh)(j)شІ}
1D1̲Мy՚we?jn)?sh)ČbÈDՈƿаl(f)ĻW(xu)(yng)ʽ___________Y(ji)ϔ(sh)(j)J(rn)tmڜy՚we?jn)?sh)fɣ_________^ִ_Mˮwesռƿ(ni)ݷe1/5ԭ________
2D2aČbãؿaČxă(yu)c_________̖x
A ^̛]Ⱦ
B ɵĻӟֵֽõ
C ڹҺ
D ܌]bÃ(ni)՚еıM
ĿлW(xu) Դ }ͣ
}ĿЈD_ӳ(yng)׃P(gun)ϵ
A.|(zh)}}зքe|(zh)?jn)?sh)ϡ}^
B.\Ƭʢһ|(zh)ϡğ
C.}Ȼ}ĻҺμ뼃AҺ^
D.|(zh)VXзքe|(zh)?jn)?sh)ϡ^
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ĿлW(xu) Դ }ͣ
}ĿСͬW(xu)13.9gs|(zh)ȻcļAƷc140.5gϡ}ϣַ(yng)y÷(yng)ɚw|(zh)(m)c(yng)rg(t)׃Dʾ
ՈӋ㣺
(1)AƷ̼c|(zh)?jn)?sh)(ӋY(ji)һλС(sh))
(2)ȫ(yng)Һ|(zh)|(zh)?jn)?sh)
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ĿлW(xu) Դ }ͣ
}Ŀ֪ KNO3ܽ±ʾf_
ض/ | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
ܽ/g | 20.9 | 31.6 | 45.8 | 63.9 | 85.5 | 110 | 138 |
A. 10-70֮gSضȵߣKNO3ܽ
B.20r 100 g ˮм 35 g KNO3?jn)裬Һ|(zh) 131.6 g
C. 70r͵ KNO3Һ͜ضпD(zhun)Һ
D.50r KNO3Һ|(zh)|(zh)?jn)?sh) 85.5%
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ĿлW(xu) Դ }ͣ
}Ŀúúȼa(chn)ĹwUͨ 15%~35% Al2O3ķúȡ Al2O3һNˇD
1NaAlO2Al Ļσr_______
2Ոaȫ(yng)аl(f)(yng)ĻW(xu)ʽ2NaAlO2 + CO2 +_______ = Na2CO3 +2Al(OH)3
3ߜط(yng)аl(f)ĻW(xu)(yng)_______(yng)ͣ
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ĿлW(xu) Դ }ͣ
}ĿijdȤСM̼̽ccҺ(yng)ČDʾČ
1ĚcҺbҺ©Уȴ_yTK1Vƿаl(f)(yng)ĻW(xu)ʽ____cҺȫMVƿ֮P(gun)]K1ַ(yng)_ֹˮAK2^쵽ĬF(xin)___
2ͬW(xu)ďUҺв^VȡVҺԇмϡ}oݮa(chn)fUҺе|(zh)_____________(п)
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ĿлW(xu) Դ }ͣ
}ĿijͬW(xu)O(sh)ӋyijUҺ|(zh)?jn)?sh)ȡһСQ|(zh)18.2gеUҺQ|(zh)33.2g֮һö|(zh)10.8gF(ɰĥȥFP)ԓСз(yng)Fᔱ治Кݮa(chn)ٴηQ|(zh)43.9gՈشІ}:
(1)a(chn)w|(zh) g.
(2)ӋԓUҺ|(zh)?jn)?sh)(ӋY(ji)һλС(sh))
(3)F?sh)FP(Ҫɷ֞F)δӋY(ji)Ӱ (ƫƫСoӰ)ԭ
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ĿлW(xu) Դ }ͣ
}ĿСKʳ}ǏNг|(zh)F(xin)һɫw NaHCO3 NaCl еһNɷNMɡijƌW(xu)СMͬW(xu)չ_ϵչо
(һ)
?zi)ģ_ɫwĽM
Y(ji)Փԓɫw_____Mɣ
(1)Exϡϡ}ԭ_____
(2)EɰɫĻW(xu)(yng)ʽ_____
()
?zi)ģyԓɫw NaHCO3 |(zh)?jn)?sh)
ÚwyƷ NaHCO3 |(zh)?jn)?sh)b:
(1)bɱbõB A_______________C(bõĸ̖؏(f)ʹ)
(2)D bаl(f)(yng)ĻW(xu)ʽ_____
(3)]н(jng)^ A böֱͨ՚⣬ʹyY(ji)_____(׃׃С׃)
(4)C bõ_____
(5)D bеķ(yng)ȫQǰ߀ҪMеČ_____
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