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Acids and Bases

What does pH stand for?

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October 17, 2011 11:01PM

Some say that pH stands for the "power of hydronium," (or hydrogen) but this is disputed. Other interpretations include "percentage of hydronium" or "potential of hydronium," with hydronium interchangable with "hydrogen." The "p" could also be a constant that means "the negative log of" as in pKa.