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[HCL] = 0,1 M ===> 400ml Kb = 2 x 10⁻⁵
[NH₄OH] = 0,4 M ===> 100ml
Pertama kita buat Tabel Kesetimbangan
HCl + NH₄OH ====> NH₄Cl + H₂O
Mula 40 mmol 40 mmol
Reaksi -40 mmol -40 mmol +40 mmol +40 mmol
Sisa - - 40 mmol 40 mmol
Reaksi ini merupakan Hidrilisis Garam
[H⁺] =
[H⁺] =
[H⁺] =
[H⁺] =
[H⁺] =
Ph = -log [H⁺]
Ph = 5,5-log2 (E)
Semoga Membantu!!!