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mol NH₄OH = 200 x 0,3 = 60 mmol
Karena mol asam = mol asam, dan valensinya sama-sama satu. maka keduanya habis bereaksi. Sehingga terbentuk sistem hidrolisis garam
mol garam = 60 mmol
M garam = mol/Volume total = 60/600
M garam = 0,1 M
[H⁺] = √Kw/Kb • M garam
[H⁺] = √10⁻¹⁴/10⁻⁵ • 0,1
[H⁺] = √10⁻¹⁰
[H⁺] = 10⁻⁵
pH = -log [H⁺]
pH = -log [10⁻⁵]
pH = 5
Jadi, pHlarutan yang terjadi adalah 5