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= 0,1 M . 1,8.10^-5
= 1,8.10^-6
maka PH = -log [H+]
= log 5 - 1,8
kalikan pake kalkulator yaa
itu yg saya tau, maaf klw salah ya
pembahasan
NH₄Cl 0,1 M (kb NH₃ = 1,8*10^-5)
[OH-] =
[OH-] =
pH = 14 - log OH
= 14 - log 1,34x10^-3
= 11 + log 1,34
Semoga membantu :) D