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        1. }ĿijУW(xu)dȤСMͬW(xu)l(f)F(xin)LʹõğˮصײһˮˮҪɷ̼}͚V?yu)˜y(c)ˮ̼}ĺȡijNϡ}100 g뵽15.8 gˮa(chn)CO2wrˆDʾӋ(j)㣺

          1ĈDпԿ15.8 gˮc}ᷴ(yng)CO2 

          2ˮ̼}|(zh)?jn)?sh)Ƕ٣Ӌ(j)Y(ji)0.1%

          3ϡ}|(zh)|(zh)?jn)?sh)ǶӋ(j)Y(ji)0.1%

          𰸡(1)4.4g;(2)63.3%;(3)7.3%

          ԇ}}|(zh)|(zh)ɱД(sh)(j)Дɶ̼|(zh)(j)̼|(zh)Ӌ(j)̼}|(zh)ϡ}Ȼ|(zh)M(jn)һӋ(j)ˮ̼}|(zh)?jn)?sh)ϡ?jn)?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)?jn)?sh)ǣ100%=63.3%

          ˮ̼}|(zh)?jn)?sh)63.3%

          3ϡ}|(zh)|(zh)?jn)?sh)ǣ100%=7.3%

          ϡ}|(zh)|(zh)?jn)?sh)7.3%

          (x)(c)ϵд
          P(gun)(x)}

          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

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ16֣l(f)ͷ۵Ҫɷк̼cijW(xu)dȤСMͬW(xu)(du)̼c|(zh)M(jn)̽

          񣮶̽

          (sh)(yn)һ̼̽cҺA

          pHԇy(c)̼cҺpHs8֪̼cҺ 

          (sh)(yn)̼̽cğ᷀(wn)

          Yϡ̼cܟ׷ֽ⣬ˮһNwһNҊĹw|(zh)

          (sh)(yn)1ȡһ|(zh)̼cŵ~ƬϼӟDʾ

          1ӟһΕr(sh)g^쵽(ni)ˮ顣

          2ּӟѸٵD(zhun)^mijʯˮʎ^쵽ʯˮ׃fԓw 

          3ͨ^M(jn)һČ(sh)(yn)̽_ּӟĹwa(chn)ijɷ

          O(sh)ٿNa2CO3

          ڿNaOH

          ۿ 

          (sh)(yn)2

          (sh)(yn)

          (sh)(yn)F(xin)

          (sh)(yn)Y(ji)Փ

          AԓwsˮƳҺȡҺԇ

          μϡ}

          Кwa(chn)

          O(sh) ̖(ho)

          BȡҺԇμ Һ

          wa(chn)

          Na2CO3

          CȡBEoúόҺ Һ

          o@F(xin)

          O(sh)

          (sh)(yn)Y(ji)ՓNaHCO3ܟֽĻW(xu)ʽ 

          չ(sh)(yn)Ѓƿʧȥ(bio)ĹwˎƷ֪̼c̼cܷO(sh)Ӌ(j)һ(g)(sh)(yn)M(jn)beՈ(qng)Č(sh)(yn)F(xin)ͽY(ji)Փ 

          򣮶̽

          y(c)ijl(f)ͷ̼c|(zh)?jn)?sh)O(sh)Ӌ(j)Œ(sh)(yn)Ҫ(sh)(yn)E£

          ٰˆDMbxȡ50gƷFƿУP(gun)]b_aČ(do)A̎һĿ՚

          P(gun)]a_bϡҺֱFƿ(ni)ٮa(chn)

          P(gun)]b_aČ(do)A̎һĿ՚

          ܜy(c)܃(ni)Aʯң}͚cwĻӵ|(zh)ҊD

          ؏(f)Eۺܵ͢IJֱ܃(ni)|(zh)|(zh)ӡ

          1EټƷǰ߀(yng) 

          2bü׵ 

          3Ո(qng)P(gun)(sh)(j)Ӌ(j)Ʒ̼c|(zh)?jn)?sh)Ӌ(j)^̣

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ{҇ѽ(jng)_ʼ(zh)˵һ(xing)µķҎ(gu)ͨʹõһNƾzy(c)xbt(W(xu)ʽK2Cr2O7)ԓtԪ(Ԫط̖(ho)Cr)Ļσr(ji)

          A+3 B+4 C+5 D+6

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿW(xu)(sh)(yn)̎̎F(xin)ɫ׃лW(xu)(sh)(yn)еɫ׃ό(sh)(yn)Œ(sh)

          AFᔷ~ҺҺ{(ln)ɫ׃?yu)\Gɫ

          B՚ȼƿSɫ׃?yu){(ln)ɫ

          Cߜؼӟľ̿c~Ļwɺɫ׃ɼtɫ

          Dˮмi⛣Һwɟoɫ׃ϼtɫ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿгZcW(xu)׃P(gun)

          AɳԽ Bˮɱ C@ľȡ Dľѳ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿЌ(sh)(yn)?zi)Č?du)(yng)Č(sh)(yn)_

          (sh)(yn)?zi)?/span>

          (sh)(yn)

          A

          be̼һ̼

          քeɷNwͨʯˮ

          B

          beˮ^Һ

          i^ǷК

          C

          ˮ͵VȪˮ

          D

          ^՚˺wCO2ĺ

          ʯˮʎ^F(xin)

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿǴкһNQʣtng|(zh)仯W(xu)ʽCOS֪c̼ĽY(ji)(gu)ƣȼP(gun)ʵf_

          A

          BʵĻW(xu)|(zh)c̼ĻW(xu)|(zh)ȫͬ

          Cʿ

          D̼ԪءԪغԪNԪؽMɵ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ(5)ССϼڎώ팍(sh)(yn)r(sh)l(f)F(xin)ij(sh)(yn)_(ti)Ϸһ(g)o_ڵļ(x)ƿҘ(bio)ȱD(du)˃ͬW(xu)̽Һ|(zh)ijɷ

          [}]ԭ_ڵ@ƿҺкһN|(zh)ʲô(]NaHCO3)

          [M(jn)в]ԭ_ڵ@ƿҺ|(zh)пǣNaClNa2CO3Na2SO4NaOHNaNO3

          [M(jn)Ќ(sh)(yn)]СȡԇBaCl2Һаɫa(chn)ټ1________________2_____________F(xin)CҺкNa2CO3

          СϼȡԇУ׵η̪Һ^쵽Һ׃?yu)tɫټ^Ca(NO3)2аɫa(chn)ԇеҺȻtɫfҺке|(zh)3__________________

          [˼]ͨ^ͬW(xu)Č(sh)(yn)֪4___________(sh)(yn)F(xin)F(xin)ԭ5____________________________________________

          鿴𰸺ͽ>>

          ͬ(x)(c)