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        1. Ӣҽ̾W(wng) > лW > }ĿԔ
          17ijGɫh(hun)СMͬWþӋyÌҵļķNUҺpH±F(xin)Ոһ򞲢ش

          1ȡҺSքe12Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ

          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”Һεȫ˕rҺpH
          =
          7=ԓĻWʽ飺
          KOH+HNO3TKNO3+H2O
          СfҺе|(zh)߀r(nng)LķՈԓό
          ͺϷ
          ʡ׷ʡ⛷ʡͺϷʡ
          @AԵҺʹoɫķ̪ԇҺ׃tɫ⛵ˮҺԣ
          (j)P|(zh)غ㶨ɿ_ĕWʽ
          еԪԪԪNIB(yng)ԪеăɷNɷNϵĻʌڏͺϷʣ
          ⣺1ҺPH7@Aʹoɫķ̪ԇҺ׃tɫң
          2⛺ϡᷴ⛺ˮ⛵ˮҺPH77
          ĻWʽ飺KOH+HNO3TKNO3+H2O
          ǺԪغ͵ԪصĻڏͺϷʣͺϷʣ
          cu}Ҫ@AԵҺʹ̪ԇҺ׃tɫջWʽĕͻʵķֻ@Ӳ܌P(gun)Ć}_Д࣮
          ϵд
          P(gun)}

          ĿлW Դ

          29ijGɫh(hun)СMͬWþӋyÌҵļҡķNUҺpH±F(xin)Ոһ򞲢ش
          ?UҺ
          A
          pH 6.5 11.3 7.0 2.0
          1ȡҺSքe1-2Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ

          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”ҺεУȫ˕rҺpH
          =
          7=򡰣򡰣ԓĻWʽ飺
          KOH+HNO3=KNO3+H2O
          СfҺе|(zh)߀r(nng)LķأՈԓό
          ͺϷ
          ʡ׷ʡ⛷ʡͺϷʡ

          鿴𰸺ͽ>>

          ĿлW Դ

          ijУGɫh(hun)СMͬWþӋyÌ򞶨ļķNUҺpH±F(xin)ՈһɲشІ}
          UҺA
          pH 4.5 10.3 3.2 7.0
          1ȡҺSքe1-2Οoɫ̪Һʹ̪Һ׃tďUҺ
          
          2
          NaCl
          NaCl
          Һ
          3Wώ֪ҡքeδĚ^ҺϡֹUҺh(hun)ȾСƌҺεȫ˕rҺpH
          =
          =
          7=ԓĻWʽ
          BaOH2+H2SO4=BaSO4+2H2O
          BaOH2+H2SO4=BaSO4+2H2O

          鿴𰸺ͽ>>

          ĿлW Դ2008-2009Wɽ|ʡHио꼉£лWԇ棩 }

          ijGɫh(hun)СMͬWþӋyÌҵļķNUҺpH±F(xin)Ոһ򞲢ش
          ?UҺ
          A
          pH6.511.37.02.0
          1ȡҺSքe1-2Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ______
          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”Һεȫ˕rҺpH______7=򡰣򡰣ԓĻWʽ飺______СfҺе|(zh)߀r(nng)LķՈԓό______ʡ׷ʡ⛷ʡͺϷʡ

          鿴𰸺ͽ>>

          ĿлW Դ2008Ĵʡ_пWԇ棩 }

          2008?_ݣijGɫh(hun)СMͬWþӋyÌҵļסķNUҺpH±F(xin)Ոһ򞲢ش
          ?UҺ
          A
          pH6.511.37.02.0
          1ȡҺSքe1-2Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ______
          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”Һεȫ˕rҺpH______7=򡰣򡰣ԓĻWʽ飺______СfҺе|(zh)߀r(nng)LķՈԓό______ʡ׷ʡ⛷ʡͺϷʡ

          鿴𰸺ͽ>>

          ͬԴ