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        1. ijGɫh(hun)СMͬW(xu)þӋyÌ򞶨ļҡķNUҺpH±F(xin)ՈһɲشІ}
          UҺA
          pH 4.5 10.3 3.2 7.0
          1ȡҺSքe1-2Οoɫ̪Һʹ̪Һ׃tďUҺ______
          2______Һ
          3W(xu)ώ֪ҡքeδĚ^ҺϡֹUҺh(hun)ȾСƌҺεȫ(yng)˕rҺpH______7=ԓ(yng)ĻW(xu)ʽ______
          1@AԵҺʹoɫķ̪ԇҺ׃tɫԷքe1-2Οoɫ̪Һʹ̪Һ׃tďUҺҺ
          2ȻcˮҺpH=7
          3^ᷴ(yng)^ˮˮҺԣpH=7W(xu)ʽ飺BaOH2+H2SO4=BaSO4+2H2O
          ʴ𰸞飺1 2NaCl 3=BaOH2+H2SO4=BaSO4+2H2O
          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          17ijУGɫh(hun)СMͬW(xu)þӋyÌҵļҡķNUҺpH±F(xin)Ոһ򞲢ش

          1ȡҺSքe12Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ

          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”Һεȫ(yng)˕rҺpH
          =
          7=ԓ(yng)ĻW(xu)ʽ飺
          KOH+HNO3TKNO3+H2O
          Сf(yng)Һе|(zh)߀r(nng)LķՈԓό
          (f)Ϸ
          ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

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

          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”Һεȫ(yng)˕rҺpH
          =
          7=򡰣򡰣ԓ(yng)ĻW(xu)ʽ飺
          KOH+HNO3=KNO3+H2O
          Сf(yng)Һе|(zh)߀r(nng)LķՈԓό
          (f)Ϸ
          ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          ijGɫh(hun)СMͬW(xu)þӋyÌ򞶨ļסķNUҺpH±F(xin)ՈһɲشІ}
          UҺA
          pH 4.5 10.3 3.2 7.0
          1ȡҺSքe1-2Οoɫ̪Һʹ̪Һ׃tďUҺ

          2
          NaCl
          NaCl
          Һ
          3W(xu)ώ֪քeδĚ^ҺϡֹUҺh(hun)ȾСƌҺεȫ(yng)˕rҺpH
          =
          =
          7=ԓ(yng)ĻW(xu)ʽ
          BaOH2+H2SO4=BaSO4+2H2O
          BaOH2+H2SO4=BaSO4+2H2O

          鿴𰸺ͽ>>

          ĿлW(xu) Դ2008-2009W(xu)ɽ|ʡHио꼉£лW(xu)ԇ棩 }

          ijУGɫh(hun)СMͬW(xu)þӋyÌҵļҡķNUҺpH±F(xin)Ոһ򞲢ش
          ?UҺ
          A
          pH6.511.37.02.0
          1ȡҺSքe1-2Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ______
          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”Һεȫ(yng)˕rҺpH______7=򡰣򡰣ԓ(yng)ĻW(xu)ʽ飺______Сf(yng)Һе|(zh)߀r(nng)LķՈԓό______ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ2008Ĵʡ_пW(xu)ԇ棩 }

          2008?_ݣijУGɫh(hun)СMͬW(xu)þӋyÌҵļҡķNUҺpH±F(xin)Ոһ򞲢ش
          ?UҺ
          A
          pH6.511.37.02.0
          1ȡҺSքe1-2Οoɫ̪ԇҺʹ̪ԇҺ׃tďUҺ______
          2ώ֪քeδĚҺϡᣮ˷ֹUҺh(hun)ȾС”ҺεУȫ(yng)˕rҺpH______7=򡰣򡰣ԓ(yng)ĻW(xu)ʽ飺______Сf(yng)Һе|(zh)߀r(nng)LķأՈԓό______ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ͬ(x)Դ