Tentukan pH dari larutan berikut gunakan cara

NaOH ==> basa kuat
OH- = v. basa x Mb
OH- = 1 x 0.3
OH-= 3x10^-1
pOH = 1 - log 3
pH = pKw - pOH
pH = 14 - (1-log3)
pH = 13 + log 3

HCN ==> asam lemah
H+ = √ ka x Ma
H+ = √ 10^-5 x 9 x 10^-3
H+ = √ 9 x 10^-8
H+ = 3 x 10^-4
pH = 4 - log 3