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        1. Ӣҽ̾W(wng) > лW > }ĿԔ

          }ĿijWdȤСMͿ՚ĺMЌ̽

          СMӑՓ

          1ӑՓͬWJxˎƷҪֲ՚еɷַwԓx|_____̖

          A ϞT B t C D ľ̿

          ˳еˎƷC_____ԓˎƷȼֱ_ʽ_____

          2СMͬWͬOӋˆDʾăbãJ_____̖˴_ijɹbˎƷ֮ǰԓMеIJ_____

          32мƿcоˮƿеˮ_____;еˮ_____

          СM򞣩ӑՓĻAϣֽMMˌ

          (sh)(j)Y|픵(sh)(j):ע:ƿݷe100mL

          4ͨ^YĽ(sh)ͬWCsռ՚we_____ͨ^߀Ɣ༯ƿʣw|_____һcɣ

          𰸡B ^ A zbÚ ӿbÃȚwsֹȾ ͨ^^M뼯ƿˮwey՚ĺ 1/5 yˮȼ֧ȼ

          1(j)}xBϞTľ̿ȼa(chn)̼ȼa(chn)˳е⣬ˎƷC^tȼֱ_ʽ

          2ܶȱȿ՚˱Ctc՚еַҪѼt׷ڼƿ²ʺA˴_ijɹbˎƷ֮ǰԓMеIJǙzbÚ

          3ƿˮԼӿbÃȚwsֹȾеˮÿͨ^^M뼯ƿˮwey՚ĺ

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          ĿлW Դ

          }Ŀ(j)bãش}

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          󷽷w

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          ҷa(chn)ʺܿ

          (ϢYϣʯʯҪɷ̼}ϡ}|Ȼϡ|H2SO4)

          (j)ӛȡռĽǶȷxMeǵ_____xMe̖MˎƷx@MˎƷԭ_______________________________________

          鿴𰸺ͽ>>

          ĿлW Դ

          }ĿDa͈DbǃɂOӋC\ӵČڈDbFƿеСƿbⰱˮFƿһVwסV÷̪Һ^

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          3ڈDaеĴһ̪ҺĿ________________ 

          4ˮד]l(f)}Ҳד]l(f)cȻw׽YϳȻ@СwԓĻWʽ_____________________

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          ĿлW Դ

          }ĿWо|׃Ҏ(gu)ɵČW˂ûWķJR͸|ʹMa(chn)ҪՈ?zh)пո?/span>:

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          ĿлW Դ

          }ĿˆDƓpľSC(Vc)fϢ֪SC̼NԪؽMՈش

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          ĿлW Դ

          }Ŀy՚ĺСAͬWOӋDʾČ򞷽һЧõϷbһƄӵĻ|ԲӋʼλ5̶̎ӟʹض_80֪ȼ͜ضȞ40

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          }Ŀ1ûWZʾ

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          ĿлW Դ

          }ĿЈD_ӳ䌦Pϵǣ

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          B. ӟһ|⛺ͶiĻ

          C. ɷȫͬpˮПoMnO2r

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          ĿлW Դ

          }ĿˮƚPע҇ƌWаl(f)͸Ч̼{[ؓdK(Pt)ԭ߻,@ˮƚɱˮֽ΢^^ʾDʾD(Oʾԭʾԭ,һʾ߻)f_( )

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          ͬԴ