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}ĿзڙzҺǷǵ( )

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BcƵĚ~ҝҺϺ󹲟^Ƿмtɫ

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}Ŀ[2017K]£Ka(HCOOH)=1.77104Ka(CH3COOH)=1.75105Kb(NH3H2O) =1.76105f_

AȾ0.1 molL1 HCOONaNH4Cl Һxӵ|֮ͣǰߴں

BͬȵNaOHҺքeζwepH3HCOOHCH3COOHҺKcNaOHҺwe

C0.2 molL1 HCOOHc0.1 molL1 NaOH weϺҺУc(HCOO) + c(OH) = c(HCOOH) + c(H+)

D0.2 molL1 CH3COONa c 0.1 molL1}weϺҺ(pH<7)c(CH3COO) > c(Cl ) > c(CH3COOH) > c(H+)

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}ĿijS޻ӹɺܼwYȻӵʳƷȥɸ׃ʳƷĿڸʹʳƷ׼ӹw@õğȣ@wS( )

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}ĿڌMЌ̖ȵČƷõ( )

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}ĿˆDʾȾ^عI಼ʢLLxDи}

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