Dalam 100 mL larutan CH3COOH 0,2 M ditambahkan 100 mL larutan (CH3COO)2 Ca 0,1 M. Berapa pH campuran itu jika Ka= 10-5?
C3cooh =m.v=0,2 × 100 =20
(Ch3coo)2ca = m.v=0,1 ×100 = 10
[H^+] = 10^-5 .20/10 = 10.10^-5
Ph = -log 10.10^-5 = 5-log 10
Dalam 100 mL larutan CH3COOH 0,2 M ditambahkan 100 mL larutan (CH3COO)2 Ca 0,1 M. Berapa pH campuran itu jika Ka= 10-5?
C3cooh =m.v=0,2 × 100 =20
(Ch3coo)2ca = m.v=0,1 ×100 = 10
[H^+] = 10^-5 .20/10 = 10.10^-5
Ph = -log 10.10^-5 = 5-log 10