日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1. }Ŀ10W(xu)W(xu)СMͬW(xu)˜y(c)ijʯʯ̼}|(zh)?jn)?sh)ȡһ|(zh)ʯʯڟ120gϡ}ɴμУʯʯеs|(zh)c}ᷴ(yng)Ҳcˮ(yng)(yng)^(gu)̵|(zh)P(gun)ϵDʾxʾϡ}|(zh)/gyʾ|(zh)Ŀ|(zh)/gՈ(qng)شІ(wn)}

          1ʯʯcϡ}|(zh)Ȟ r(sh)ǡȫ(yng)(yng)йa(chn)CO2 g

          2ԓʯʯCaCO3|(zh)?jn)?sh) 

          3ͨ^(gu)Ӌ(j)}|(zh)|(zh)?jn)?sh)

          𰸡1121 8.81250%2318.25%

          ԇ}1(j)D֪ϡ}|(zh)80gr(sh)ʣҺ|(zh)׃f(shu)̼}(yng)ȫʯʯcϡ}|(zh)Ȟ12ɵĚw|(zh)飺80g+40g-111.2g= 8.8g1

          2O(sh)ӷ(yng)CaCO3|(zh)x}|(zh)|(zh)y

          CaCO3+2HCl==CaCl2+H2O+CO2

          100 73 44

          X y 8.8g

          73/y=44/8.8g 100/x=44/8.8g

          x=14.6g x=20g

          2ԓʯʯCaCO3|(zh)?jn)?sh)20g/40g100%=50%

          }|(zh)|(zh)?jn)?sh)=14.6g/80g100%=18.25%

          ʯʯCaCO3|(zh)?jn)?sh)50%;}|(zh)|(zh)?jn)?sh)18.25%

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

          ĿлW(xu) (li)Դ

          }ĿP(gun)|(zh)_

          Aͨrǟo(w)ɫo(w)ζĚw

          BҺB(ti)Ǜ](mi)ɫҺw

          Cⲻˮ

          DܶԴڿ՚ܶ

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }Ŀ4\(yn)ȼcĻW(xu)ԭ팦(du)ؔ(ci)a(chn)ȫdzҪ

          1201312VݽI(y)Bl(f)(yn)ػ(zi)ȼlB(ni)ŵĴЬƷ䮔(dng)

          2ߌӽͨO(sh)Ӌ(j)˜õĞˮϵy(tng)ĜԭˮҪ

          3DеĔ(sh)(j)ش(wn)}

          |(zh)̖(ho)

          L

          M

          N

          P

          c(din)/

          117

          3550

          44

          259

          c(din)/

          78

          4827

          257

          253

          c(din)/

          510

          370

          40

          580

          J(rn)顰|(zh)c(din)Խc(din)ԽߡԓY(ji)Փ 򡰲

          ֪ƾĜضȼs500森Dbã(yn)C_(d)ȼc(din)ȼėl֮һϱпԓ(sh)(yn)ăɷNȼ N̖(ho)

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }Ŀ3͙C(j)βеҪȾǵijNβ̎g(sh)ðcl(f)W(xu)(yng)Ⱦŷţһ(g)(yng)΢^ʾDʾ

          ش†(wn)}

          1AԪصĻσr(ji)

          2ABCӵͬc(din)Ƕе ӡԭӡԪء

          3ӷ(yng)AcBķӂ(g)(sh)Ȟ 

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }ĿFFe2O3FFeOFFe3O4@NFF|(zh)?jn)?sh)ɴСе

          AFe3O4Fe2O3FeO BFeOFe2O3Fe3O4

          CFeOFe3O4Fe2O3 DFe2O3Fe3O4FeO

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }ĿbecҺͳʯˮx

          ̼ͨ?x)w ڵη̪ԇҺ ۼ̼cҺ ܼȻ^Һ

          A B٢ڢ

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }Ŀ9֣P(gun)|(zh)D(zhun)P(gun)ϵDʾXYɷNB(ti)|(zh) Z鳣Ҋ(jin)ن|(zh)A(jin)εЙC(j)ȻҪɷBCDMһNжĚw

          شІ(wn)}

          1|(zh)W(xu)ʽ

          C D Y

          2(yng) ЌڻϷ(yng)Ğ ̖(ho)ͬÓQ(yng)Ğ 

          3(yng)ٵĻW(xu)ʽ 

          4Dе\GɫҺc^ɲϡİɫt(yng)ĻW(xu)ʽ 

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }Ŀվкȼ♻ӵײԭӺ˰l(f)ѣa(chn)JԭӼһЩӺ侀ͬr(sh)ጷŴ@Щ(q)(dng)݆C(j)l(f)JԪԪڱ@ʾϢӽY(ji)(gu)ʾDDʾ±_

          AD2D3JԪ

          BD3ʾӵĻW(xu)̖(ho)Sr

          CJԭӵӔ(sh)38

          DJԭӵ(du)ԭ|(zh)87.62g

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          }Ŀ6ˆDȥ}ys|(zh)ĵČ(sh)(yn)õbãՈ(qng)ش(wn)}

          (sh)(yn)1_E ABC_ÿһ(sh)(yn)жõăx xQ

          2BҺwȻԭ ٢ڢ

          ٲ^(gu)Һ߳˞V߅

          ڞVͱ

          ©¶˹ܿڛ](mi)пo(ni)

          3a(chn)ƫ͵ԭ һNԭ򼴿

          ͨ^(gu)ǰɲys|(zh)õĴ}Һ߀ȻVȻ}cܽԵs|(zh)ͨ^(gu)ټĚcҺ^(gu)Vۼ̼cҺl(f)Y(ji)ݼĚ^Һ޼ϡ}(li)IJ ̖(ho)

          鿴𰸺ͽ>>

          ͬ(x)(c)