Free Hydroxide Ion Calculator
Calculate the hydroxide ion concentration from pOH or pH.
[OH-] Concentration
0.0100000000 M
pH12.00
[OH-] Concentration vs pOH
How to Calculate [OH-] from pOH
Formula
[OH-] = 10^(-pOH)
Example Calculation
Find [OH-] for pOH = 2.
- 01[OH-] = 10^(-2)
- 02[OH-] = 0.01 M
- 03pH = 14 - 2 = 12
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