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        1. ijУW(xu)n(dng)СMһλ(dng).ȡˮˮ.ÿ5pHӋ(j)yһpH.䔵(sh)(j)±: yr(sh) 6U05 6U10 6U15 6U20 6U25 6U30 p H 4.95 4.94 4.94 4.88 4.86 4.85 ֪:ˮpHs5.6.pHС5.6. (1)ȡˮǷ? ,ڜyg.ˮˮӵSr(sh)g׃u . (2) (jng){(dio).@һ؅^(q)һȼúl(f)늏S(a(chn)^Юa(chn)SO2).ijͬW(xu)O(sh)Ӌ(j)ûAa(chn)^Юa(chn)SO2.D(zhun)Ɂc(Na2SO3).Ոԓ(yng)ĻW(xu)ʽ: . (3)pHԇyˮA.y: . W(xu)҂߅.c҂ϢϢP(gun).ՈشеĆ}: (1)ɳԽ fSȻ܉ ʽ. (2)ѱƤ򇊞Һ ʬF(xin){(ln)ɫħc(din).ÏN{(dio) ϴ. (3)󠔷NСF(xin)F(xin).(hu)hʹûе . (4)Lʹõůˮƿ(ni)đһˮ.ϡ}ȥ.Ո(yng)ĻW(xu)ʽ: . (5)ͨfúжָ ж.

           

          }Ŀб(𰸺ͽ)

          5֣mijϴµďUˮ(jng)ֱŷŵSӿˮȸ

          ֳˮʾGɫ

             1@NF(xin)ԭϴµŷŵďUˮк^       Ԫء

             2Y@ʾˮеĻW(xu)ʽCxHyO110N16PӋ(j)еԪص|(zh)

                      

             3֪ԓ|(zh)3550̼Ԫص|(zh)?jn)?sh)35.8%Ӌ(j)xĽֵڶ                 ՈӋ(j)^̣

           

          鿴𰸺ͽ>>

          5֣mijϴµďUˮ(jng)ֱŷŵSУӿˮȸ
          ֳˮʾGɫ
          1@NF(xin)ԭϴµŷŵďUˮк^       Ԫ
          2Y@ʾˮеĻW(xu)ʽCxHyO110N16PӋ(j)еԪص|(zh)
                      
          3֪ԓ|(zh)3550̼Ԫص|(zh)?jn)?sh)35.8%Ӌ(j)xĽֵڶ                 ՈӋ(j)^̣

          鿴𰸺ͽ>>

          5֣ԪڱnjW(xu)(x)оW(xu)Ҫă(ni)ʮS±ԪڱIJփ(ni)ՈJ(rn)شĆ}

           

          IA

           

          0

          1

          1  H

          1.008

          2  He

          4.003

          IIA

          IIIA

          IVA

          VA

          VIA

          VIIA

          2

          3  Li

          6.941

          4  Be

          9.012

          5  B

          10.81

          6  C

          ̼

          12.01

          7  N

          14.01

          8  O

          16.00

          9  F

          19.00

          10  Ne

          20.18

          3

          11  Na

          c

          22.99

          12 Mg

          V

          24.31

          13  Al

          X

          26.98

          14  Si

          28.09

          15  P

          30.97

          16  S

          32.06

          17  Cl

          35.45

          18  Ar

          39.95

           

          1ՈϱвؚкĽԪصԭ|(zh)_________

          2вͬNԪ|(zh)ą^(q)e_________̖(ho)

          Aԭ|(zh)ͬ    B|(zh)Ӕ(sh)ͬ    CӔ(sh)ͬ

          3Ԫڱÿһ(g)Mнһ(g)ڣͨ^ͬһԪ֮gһҎ(gu)ɣ磺        ĸ̖(ho)

          AңԪԭӵӌӔ(sh)ͬ

          BԪԭӵԭ(sh)

          CԪԭӵӔ(sh)ͬ

          4Ԫڱԭ(sh)12VԪصԭӽY(ji)(gu)ʾDDԓԭڻW(xu)(yng)_____________õʧȥfԪصĻW(xu)|(zh)cԭӵ_________________P(gun)ϵС

           

           

           

          鿴𰸺ͽ>>

          5֣mijϴµďUˮ(jng)ֱŷŵSӿˮȸ

          ֳˮʾGɫ[Դ:]

             1@NF(xin)ԭϴµŷŵďUˮк^        Ԫء

             2Y@ʾˮеĻW(xu)ʽCxHyO110N16PӋ(j)еԪص|(zh)

                       

             3֪ԓ|(zh)3550̼Ԫص|(zh)?jn)?sh)35.8%Ӌ(j)xĽֵڶ                  ՈӋ(j)^̣

           

          鿴𰸺ͽ>>

          09mݣLiFePO4xӄ(dng)늳䪚(d)صă(yu)ݳɞW\(yn)(hu)GɫԴŒ֪PĻσr(ji)+5r(ji)tLiFePO4FeĻσr(ji)     

          A. +1

          B. +2

          C. +3

          D. +4

           

          鿴𰸺ͽ>>


          ͬ(x)Դ