hitunglah berapa pHnya , syukron

Konsentrasi ion H+:
[H+] = √Ka.Ma
[H+] = √9,8x10^-5.2x10^-1
[H+] = √19,6x10^-6
[H+] = 4,427x10^-3
pH :
pH = -log[H+]
pH = -log(4,427x10-3)
pH = 3 - log 4,427
pH = 3 - 0,646
pH = 2,354
=> pH = 2,3
U/ ^ adalh pangkat