Pilihlah jawaban yang tepat...

[OH-] = √kb. M
= √2. 10^-5 . 2 . 10^ -1
= √4. 10^-6
= 2. 10^-3
POH = -log 2. 10^-3
= 3-log2
PH = 14-(3-log2)
= 11 + log 2

d.11+log 2. maaf karena gak pakai jalan