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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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