October 2018 1 2K Report
Sebanyak 100 mL KOH 0,04 M dicampur dengan 100 mL HCOOH 0,04 M menurut reaksi:

KOH (aq) + HCOOH (aq) → HCOOK (aq) + H2O (l)

Jika Ka HCOOH = 2 × 10–4 dan Kw = 10–14 , pH campuran tersebut sebesar….

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