}ĿijW(xu)dȤСMͬW(xu)l(f)F(xin)LʹõğˮصײһˮˮҪɷ̼}͚V?yu)˜yˮ̼}ĺȡijNϡ}100 g뵽15.8 gˮУa(chn)CO2wrDʾӋ㣺
1ĈDпԿ15.8 gˮc}ᷴ(yng)CO2
2ˮ̼}|(zh)֔(sh)ǶӋY(ji)0.1%
3ϡ}|(zh)|(zh)֔(sh)Ƕ٣ӋY(ji)0.1%
𰸡(1)4.4g;(2)63.3%;(3)7.3%
ԇ}}|(zh)|(zh)ɱД(sh)(j)Дɶ̼|(zh)(j)̼|(zh)Ӌ̼}|(zh)ϡ}Ȼ|(zh)MһӋˮ̼}|(zh)֔(sh)ϡ֔(sh)
1ĈDпԿ15.8gˮc}ᷴ(yng)CO24.4g
2O(sh)̼}|(zh)xȻ|(zh)y
CaCO3+2HClTCaCl2+H2O+CO2
100 73 44
x y 4.4g
=
=
x=10gy=7.3g
ˮ̼}|(zh)֔(sh)ǣ100%=63.3%
ˮ̼}|(zh)֔(sh)63.3%
3ϡ}|(zh)|(zh)֔(sh)ǣ100%=7.3%
ϡ}|(zh)|(zh)֔(sh)7.3%
ĿлW(xu) Դ }ͣ
}ĿijSUҺкy˻YԴͷֹȾh(hun)UҺм^Fмַ(yng)^Vɴ˵óĽY(ji)Փ_
A.VwֻAgVҺкAgNO3Fe(NO3)2
B.VwֻAgVҺֻFe(NO3)2
C.VwAgFeVҺֻFe(NO3)2
D.VwAgFeVҺкAgNO3Fe(NO3)2
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ĿлW(xu) Դ }ͣ
}Ŀ16֣l(f)ͷ۵Ҫɷк̼cijW(xu)dȤСMͬW(xu)̼c|(zh)M̽
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һ̼̽cҺA
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Yϡ̼cܟֽ⣬ˮһNwһNҊĹw|(zh)
1ȡһ|(zh)̼cŵ~ƬϼӟDʾ
1ӟһΕrg^쵽(ni)ˮ
2ּӟѸٵD(zhun)^mijʯˮʎ^쵽ʯˮ׃fԓw
3ͨ^MһČ̽_ּӟĹwa(chn)ijɷ
O(sh)ٿNa2CO3
ڿNaOH
ۿ
2
F(xin) | Y(ji)Փ | |
AԓwsˮƳҺȡҺԇ μϡ} | Кwa(chn) | O(sh) ̖ |
BȡҺԇμ Һ | wa(chn) Na2CO3 | |
CȡBEoúόҺ Һ | o@F(xin) | O(sh) |
Y(ji)ՓNaHCO3ܟֽĻW(xu)ʽ
չЃƿʧȥ(bio)ĹwˎƷ֪̼c̼cܷO(sh)ӋһMbeՈČF(xin)ͽY(ji)Փ
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yijl(f)ͷ̼c|(zh)֔(sh)O(sh)ӋҪE£
ٰDMbxȡ50gƷFƿP(gun)]b_aČ(do)A̎һĿ՚
P(gun)]a_bϡҺֱFƿ(ni)ٮa(chn)
P(gun)]b_aČ(do)A̎һĿ՚
ܜy܃(ni)Aʯң}͚cwĻӵ|(zh)ҊD
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1EټƷǰ߀(yng)
2bü bҵ
3ՈP(gun)(sh)(j)ӋƷ̼c|(zh)֔(sh)Ӌ^̣
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ĿлW(xu) Դ }ͣ
}ĿW(xu)̎̎F(xin)ɫ׃лW(xu)еɫ׃ό
AFᔷ~ҺУҺ{ɫ׃?yu)\Gɫ
B՚ȼƿSɫ׃?yu){ɫ
Cߜؼӟľ̿c~Ļwɺɫ׃ɼtɫ
DˮмiҺwɟoɫ׃ϼtɫ
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ĿлW(xu) Դ }ͣ
}ĿǴкһNQʣtng|(zh)仯W(xu)ʽCOS֪c̼ĽY(ji)(gu)ƣȼP(gun)ʵf_
A
BʵĻW(xu)|(zh)c̼ĻW(xu)|(zh)ȫͬ
Cʿ
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ĿлW(xu) Դ }ͣ
}Ŀ(5)ССϼڎώ팍rl(f)F(xin)ij_Ϸһo_ڵļƿҘ(bio)ȱD˃ͬW(xu)̽Һ|(zh)ijɷ
[}]ԭ_ڵ@ƿҺкһN|(zh)ʲô(]NaHCO3)
[Mв]ԭ_ڵ@ƿҺ|(zh)пǣNaClNa2CO3Na2SO4NaOHNaNO3
[MЌ]СȡԇУBaCl2Һаɫa(chn)ټ1________________2_____________F(xin)CҺкNa2CO3
СϼȡԇУη̪Һ^쵽Һ׃?yu)tɫټ^Ca(NO3)2аɫa(chn)ԇеҺȻtɫfҺке|(zh)3__________________
[˼]ͨ^ͬW(xu)Č֪4___________F(xin)F(xin)ԭ5____________________________________________
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