pH and pOH difference

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pH and pOH difference

Postby Raymond_Guan_1H » Tue Nov 22, 2016 5:28 pm

What exactly is the difference between pH and pOH? Is one only for hydroxide and the other hydronium? What is the scale for pOH?

Manpreet Singh 1N
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Re: pH and pOH difference

Postby Manpreet Singh 1N » Tue Nov 22, 2016 6:02 pm

So pH is the measure of hydrogen ion concentration, [H+], while pOH is a measure of the hydroxide ion concentration, [OH-]. The scales for both are 1-14. However in most cases, the question will ask for pH. So remember that pH+pOH=14. So pH=14-pOH.

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