}ĿijW(xu)dȤСMͬW(xu)_(ki)չ˜y(c)Na2CO3NaClĹwNa2CO3|(zh)?jn)?sh)̽(sh)(yn)?c)O(sh)Ӌ(j)·
1һw
iD1ʾFAAֵăxעԓcϡᷴ(yng)y(c)a(chn)CO2wezԓbõĚԵķ
iiͬW(xu)ԈD2D1еռbty(c)CO2wweƫƫС׃ Vƿ?j)?ni)ԭеĿ՚⌦(du)(sh)(yn)Y(ji)С](mi)СӰ푣
iiiͬW(xu)ÈD3bM(jn)Мy(c)CO2|(zh)AʯҵijɷCaONaOHĻ
ԓbÌ(do)(sh)(yn)Y(ji)ƫĿԭ
AbÃ(ni)CO2wȫų
Ba(chn)CO2wлȻwͬr(sh)Aʯգ
Ca(chn)CO2wлˮͬr(sh)Aʯգ
Dθc՚ͨҲ(hu)տ՚еCO2H2O
2 D4ʾt
i_CaCl2ҺǷ^(gu)ķ
iiԓl(f)(yng)ĻW(xu)ʽ
3}ζD5ʾ
i֪}μӵһ|(zh)Ļ(j)}Һwe(li)y(c)̼cĺڌ(sh)(yn)^(gu)Дμӵϡ}ǡc̼c(yng)ķ
iiԼtͬW(xu)ͨ^(gu)(sh)(yn)y(c)һЩ(sh)(j)ԇ(j)Č(sh)(yn)(sh)(j)Ӌ(j)Na2CO3|(zh)?jn)?sh)QȡNa2CO3NaaClw10gcϡ}ᷴ(yng)l(f)õ10.55gwԓ
wNa2CO3|(zh)?jn)?sh)
𰸡
1עһxһΕr(sh)g_(ki)ܻصԭλt©ƫCO2ˮcˮ(yng)](mi)УBCD
2oόҺ^m(x)μCaCl2Һo(w)f(shu)CaCl2Һ^(gu)Na2CO3+CaCl2=CaCO3+2NaCl
3ֱɚݞֹ53%
⣺һib©ĻƄ(dng)©⣬Ļڴ≺(qing)(yng)صԭ(li)λii?yn)̼Hˮ߀cˮ(yng)ˮռwռĶ̼ƫСԓw_(ki)ˮwey(c)ĚwweԭVƿеĚw(du)y(c)ĽY(ji)](mi)Ӱ푣iiiAbÃ(ni)CO2wȫų(do)Aʯӵ|(zh)ƫС(sh)(yn)Y(ji)ƫСAe(cu)`
Ba(chn)CO2wлȻwͬr(sh)Aʯ(do)Aʯӵ|(zh)ƫ(sh)(yn)Y(ji)ƫB_
Ca(chn)CO2wлˮͬr(sh)Aʯգ(do)Aʯӵ|(zh)ƫ(sh)(yn)Y(ji)ƫB_
Dθc՚ͨҲ(hu)տ՚еCO2H2O(do)Aʯӵ|(zh)ƫ(sh)(yn)Y(ji)ƫB_
xBCD
iДǷ^(gu)ҪҺǷ߀CO32 ˌҺoãόҺ^m(x)μCaCl2Һo(w)f(shu)CaCl2Һ^(gu)ii̼cȻ}(yng)̼}ȻcW(xu)ʽ飺Na2CO3+CaCl2=CaCO3+2NaCli}μӵҺЕ(hu)c̼c(yng)ɶ̼?x)@һF(xin)dz@
iiO(sh)ӷ(yng)Na2CO3|(zh)x
Na2CO3+ | 2HCl | = | 2NaCl+ | H2O+CO2 | w|(zh) |
106 | 117 | ||||
x | 0.55g |
x=5.3g
Na2CO3|(zh)?jn)?sh)飺 100%=53%
Դǣ1һiעһxһΕr(sh)g_(ki)ܻصԭλt©iiƫСCO2ˮcˮ(yng)](mi)iiiBCD2ioόҺ^m(x)μCaCl2Һo(w)f(shu)CaCl2Һ^(gu)iiNa2CO3+CaCl2=CaCO3+2NaCl3iֱɚݞֹii53%
c(din)ÙzbõĚԺ͕(sh)(xi)W(xu)ʽֱ_(d)ʽxʽ(du)}ĿM(jn)Д༴ɵõҪ֪bÚԙz飺Ȍ(do)ܵһ˽ˮ־oNͣƬ̣(do)ܿКð_(ki)ƣ(do)ܿڲˮͣƬˮf(shu)bò©⣻ע⣺aƽ bl c̖(ho)
ĿлW(xu) (li)Դ }ͣ
}ĿijW(xu)dȤСMͬW(xu)DʾbÜy(c)՚ĺՈ(qng)شІ(wn)}
1b늟
2tȼһΕr(sh)gԄ(dng)ϨJ(rn)ԭtȼĻW(xu)ʽ
3t׳ȼsҜ_(ki)ֹˮA^쵽ˮ،(do)M(jn)뼯ƿˮM(jn)뼯ƿԭM(jn)뼯ƿˮs鼯ƿݷe֮һɴóĽY(ji)Փ
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣ
}ĿЌ(sh)(yn)F(xin)_ǣ
A_(ki)ʢН}ԇƿƿwƿڳF(xin)ן
BFcϡ}ᷴ(yng)Һɟo(w)ɫ׃ɜ\Gɫ
Cڿ՚ȼl(f){(ln)ɫ
Dľ̿߀ԭ~ɼtɫ~
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣ
}Ŀ҈DʾijԼSŷŵĹI(y)Uˮзքe̼cȻ~c}еһNijͬW(xu)(du)̎ˮ|(zh)O(jin)y(c)r(sh)ӛ¬F(xin)(j)F(xin)Ɣ࣬SŷŹI(y)Uˮijɷe(cu)`ǣ
ӛ䛬F(xin) | o(w)ɫҺ | {(ln)ɫ | ʧ | a(chn) |
A.ף̼c
B.ңȻ~
C.}
D.̼c
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣ
}ĿDcԪغԪԪڱеϢP(gun)4NӽY(ji)(gu)ʾDf(shu)_ǣ
A.cȶڽԪ
B.ȻcadɷNӘ(gu)ɵ
C.ȵ(du)ԭ|(zh)35.45g
D.aʾһNx
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣ
}Ŀʢ5g 16%NaOHҺĶԇܷʢ10g 16%CuSO4ҺFƿDʾAбFƿֱʹҺֻϺܵǣ
A.a(chn){(ln)ɫ0.98g
B.Fƿ?j)?ni)|(zh)|(zh)׃
C.ҺNa2SO4|(zh)?jn)?sh)9.5%
D.õNa2SO4Һ|(zh)cԭCuSO4Һ|(zh)
鿴𰸺ͽ>>
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