tentukan pH campuran larutan 25 ml CH3COOH 0,5 M dengan 25 ml NaOH 0,1 Mditunggu yaaa..mksh
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m 12,5 2,5 - -
r 2,5 2,5 2,5 2,5
s 10,0 0 2,5 2,5
H⁺ = ka x mol asam / mol basa konjugat
= 10⁻⁵ x 10 / 2,5
= 10⁻⁵ x 4 atau 4 x 10⁻⁵
pH = 5 - log 4
= 5 - 0,60
= 4,4
Jadi, pH campuran tersebut adalah 4,4