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0.105 M CH3COOH 24.0 mL + 0.130 M NaOH. 반-당량점 pH

by 영원파란 2023. 1. 4.

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0.105 M CH3COOH 24.0 mL + 0.130 M NaOH. 반-당량점 pH

 

 

24.0 mL of 0.105 M acetic acid (HC2H3O2)

will be titrated with 0.130 M sodium hydroxide (NaOH).

The Ka of acetic acid is 1.77×10^(-5).

d) The pH at half-equivalence point

(= after adding one-half of the NaOH volume

calculated in question b)

 

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▶ 참고: 약산-강염기 적정

[ https://ywpop.tistory.com/2736 ]

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반-당량점에서,

pH = pKa

( 참고 https://ywpop.tistory.com/10228 )

 

 

 

pH = –log(1.77×10^(-5))

= 4.75

 

 

 

 

[키워드] CH3COOH NaOH 적정 기준문서, 약산 강염기 적정 기준문서

 

 

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