}ĿijУW(xu)dȤСM^ƉAS@ϢP(gun)}M(jn)о
a(chn)ƷԭԓSáƉAa(chn)a(chn)ƷANa2CO3ͻNH4Cl
a(chn)ԭǣNH3CO2ͨʳ}ˮеõNaHCO3wNH4ClҺ(yng)ĻW(xu)ʽ飺_____xNaHCO3ӟƵüA
a(chn)̣
P(gun)Yϣ
1NH4Cl NH3+HCl
2֪20rP(gun)|(zh)ܽ£wָ1weˮܽĚwwe
|(zh) | NaCl | NaHCO3 | NH4Cl | NH3 | CO2 |
ܽ | 36.0g | 9.6g | 37.2g | 710 | 0.9 |
}ӑՓ
1УͬQ_____(yng)аl(f)˃ɂ(yng)һW(xu)ʽ_____(yng)m}ᣬmָ_____
2z(yn)]l(f)ԚwCķ_____
3a(chn)пѭh(hun)ʹõ_____̖
A]l(f)ԚwC BҺD CVDNH4Cl
Mɴ_
1Qȡһ|(zh)ļAƷ(jng)γּӟٷQ|(zh)o׃
2ȡAƷmˮƷȫܽԓҺм^ϡHNO3ٵμAgNO3Һаɫ(sh)(yn)ɴ_AƷs|(zh)_____W(xu)ʽ
y
(sh)(yn)һ | (sh)(yn) | (sh)(yn) | (sh)(yn) | |
wҺ|(zh) | 100g | 100g | 100g | 100g |
CaCl2Һ|(zh) | 10g | 20g | 30g | 40g |
ɵij|(zh) | 4g | m | 10g | 10g |
QȡԓAƷ44gwˮ400gҺƽ֞ķȻքeһ|(zh)?jn)?sh)CaCl2Һ(sh)(yn)(sh)(j)Ҋ
ՈД(sh)(j)شӋ(j)㣺
1m_____g
2ڌ(sh)(yn)ȫ(yng)Һ|(zh)Ȼc|(zh)?jn)?sh)Ƕ_____ҪӋ(j)^Y(ji)0.1%
Y(ji)˼
Ոͨ^Ӌ(j)㲢Y(ji)±Д˼AƷȼ_____ƷAyУCaCl2ҺĞBaCl2Һy`p
I(y)A(bio)(zhn)Na2CO3% | |||
(yu)Ʒ | һƷ | ϸƷ | Ʒ |
95 | 80 | 75 | 40 |
𰸡NaCl+NH3+CO2+H2ONaHCO3+NH4Cl ^V NaOH+HClTNaCl+H2O εoݷųֹ wͨʯˮУ^Ƿ׃ AB NaCl 8 10.1% (yu)
(j)AȡԼP(gun)|(zh)|(zh)M(jn)з^VǷxԹwҺwķc̼cc}l(f)W(xu)(yng)}c̼c(yng)ɶ̼?x)w̼ʹʯˮ׃Mɴ_(j)ṩĔ(sh)(j)ómֵͨ^Ӌ(j)̼cĺ_ȼ
[a(chn)Ʒԭ]NH3CO2ͨʳ}ˮеõNaHCO3wNH4ClҺԓ(yng)Ȼc⡢̼ˮ(yng)̼cȻ@NaCl+NH3+CO2+H2ONaHCO3+NH4Cl
[}ӑՓ]1ǵõ˹wҺw^VxҺеĚc̼cc}ᷴ(yng)̼cc}ᷴ(yng)ɶ̼?x)w}ᮔ(dng)oðrֹ^VNaOH+HClTNaCl+H2ONa2CO3+2HCl2NaCl+H2O+CO2εoݷųֹ
2̼cܟֽɵĶ̼ʹʯˮ׃ʙz(yn)̼ʹõʯˮwͨʯˮ^Ƿ׃
3Aõē]l(f)ԚwCǶ̼ѭh(hun)
BõҺDкȻcѭh(hun)
CVѭh(hun)
DȻ@Ƿ(yng)ĸa(chn)ѭh(hun)AB
[Mɴ_]õĮa(chn)cữyҺ(yng)a(chn)˰ɫtƳƷкȻcNaCl
[y]1(j)Կ(sh)(yn)һ10gȻ}Һɳ|(zh)4g(sh)(yn)30gȻ}Һɳ|(zh)10g(sh)(yn)еȻ}Һȫӷ(yng)ɳ|(zh)8g8
2⣺O(sh)ӷ(yng)Na2CO3|(zh)xɵȻc|(zh)y
ãx10.6g y11.7g
Ȼc|(zh)?jn)?sh)飺10.1%
Ȼc|(zh)?jn)?sh)10.1%
[Y(ji)˼]̼cĺ飺95%ԓAƷ郞(yu)(yu)ȡ
ĿлW(xu) Դ }ͣ
}Ŀˮ֮Դa(chn)x_ˮ
1ԁˮ_____z(yn)ԁˮӲˮ߀ܛˮxõ|(zh)_____мܽˮӲܚķ_____
2ijͬW(xu)ռһгζĻˮÞVM(jn)^V^VrõIJxП_____^Vl(f)F(xin)ˮmȻ׃Ȼгζ܉ȥζķ_____
3ԓͬW(xu)̽ˮĽMˮ늽⌍(sh)(yn)Dʾԓ(yng)ֱ_(d)ʽ_____(sh)(yn)_ʼl(f)F(xin)ɘO_____ðԇ1еĚw_____ԇ2еĚw__________
4ˌ(sh)(yn)?zi)܉Cˮ_____Mɵġ
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ĿлW(xu) Դ }ͣ
}ĿһwĩܺMg(NO3)2CaCO3NaOHCuCl2NaClCa(NO3)2еһNN_MɣijͬW(xu)O(sh)Ӌ(j)(sh)(yn)Д_
A. ǚ~
B. oɫҺAһNaOH
C. ԭwĩ϶NaCl
D. ԭwĩһCaCO3NaOHMg(NO3)2CuCl2Ca(NO3)2
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ĿлW(xu) Դ }ͣ
}Ŀڡ^^̖֮g(lin)ϵǻW(xu)W(xu)е˼Sʽij(yng)^ʾDP(gun)f_
A. ˷(yng)|(zh)ȼķ(yng)
B. (yng)ٵĻW(xu)ʽCH2
C. ӷ(yng)Ģ١|(zh)ķӂ(sh)Ȟ1:3
D. (yng)ɵĢ|(zh)|(zh)Ȟ 22:9
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ĿлW(xu) Դ }ͣ
}ĿW(xu)(sh)(yn)СMͬW(xu)ڌ(sh)(yn)^Һ⡣
1^Ͷi(yng)ĻW(xu)ʽ飺__________________________
2ͬW(xu)l(f)F(xin)(yng)rаFa(chn)ɂbÁԭĿǣ___________
ͬrչ_˼c̽
3MnO2(yng)ǷӰ
@һM(sh)(yn)ÿξ30mL10%H2O2Һòͬ|(zh)MnO2ĩyռ500mLõĕrgY(ji)£(sh)(yn)lͬ
(sh)(yn) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
MnO2ĩˣ | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 |
Õrg룩 | 17 | 8 | 6 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
Ո(j)Д(sh)(j)شMnO2ĩ(yng)ʵӰ___________
4H2O2Һ|(zh)|(zh)?jn)?sh)(yng)ǷӰСMͬW(xu)һM(sh)(yn)
ÿξȡ5mL30%H2O2ҺȻϡጳɲͬ|(zh)|(zh)?jn)?sh)ҺM(jn)Ќ(sh)(yn)ӛ䛔(sh)(j)£(sh)(yn)20ҜM(jn)(sh)(yn)lͬ
(sh)(yn) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
H2O2Һ|(zh)|(zh)?jn)?sh) | 1% | 3% | 5% | 10% | 15% | 20% | 25% | 30% |
MnO2ĩˣ | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
ռ540mLwrÕrg룩 | 660 | 220 | 205 | 80 | 25 | 9 | 4 | 3 |
Д(sh)(j)ɵóĽY(ji)Փ___________
3(sh)(yn)˼MnO2wĴС(yng)ǷӰՈ?jin)O(sh)Ӌ(j)(sh)(yn)CZԔîbÈD___________
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ĿлW(xu) Դ }ͣ
}Ŀ仯}CaH2cˮ(yng)H2һNAҰˆTyȼϵāԴF(xin)\}ƂH2c}(yng)ȡCaH2Db(c)Bwl(f)bãtϴƿmn(yng)xԇ__________̖
INaHCO3Һ NaOHҺ
ֹ}c(din)ȼ֮ǰM(jn)еIJ_____CaH2cˮ(yng)ĻW(xu)ʽ_____ֹ՚еO2CO2ˮcCaCaH2(yng)ڌ(do)ĩBӵĸbӵˎƷ_____̖
A NaOHCaOĻ B C F
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ĿлW(xu) Դ }ͣ
}ĿDcԪغԪԪޱеϢ3NӵĽY(ji)(gu)ʾDՈش(f)І}
(1)ԭӵĺ늺ɔ(sh)_____Cӌ(yng)ԪؽMɆ|(zh)ĻW(xu)ʽ____
(2)cȚȻcķ(yng)õӵ____ԭ(ĸ)AӻW(xu)ʽ___
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ĿлW(xu) Դ }ͣ
}ĿБ(yng)P(gun)W(xu)ʽ(yng)Ͷ_ǣ
A. һ̼ڟF4CO+Fe3O43Fe+4CO2 ÓQ(yng)
B. Ú}Һն̼?x)wCaOH2+CO2CaCO3+H2O (f)ֽⷴ(yng)
C. úКXˎίθ^YAlOH3+3HClAlCl3+3H2O (f)ֽⷴ(yng)
D. (sh)(yn)Ҽӟiȡ⣺K2MnO42KMnO4+MnO2+O2 ֽⷴ(yng)
鿴𰸺ͽ>>
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