Jawabanmu

2014-04-03T17:49:36+07:00
1. [H+] = (akar) ka . ma
[H+] = (akar)  4,9 X 10 ^-10

kalikn pake kalkulator ya.
maka, jika udh dpt [H+]
PH = - log [H+]

gitu juga yg nomor 2. caranya sama