August 2018 1 18 Report
Larutan NH₄OH 0,2M dicampurkan dengan (NH₄)₂SO₄ 0,1M. diketahui Kb NH₄OH 2 x 10⁻⁵. Untuk mendapatkan pH campuran = 9, perbandingan volum NH₄OH dan (NH₄)₂SO₄ adalah?

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