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Solution: What is the Kw of pure water at 50 degrees C, if the pH is 6.630?

Problem

What is the Kw of pure water at 50 degrees C, if the pH is 6.630?

Solution

We’re being asked to determine the value of Kw for pure water at 50 ˚C given a pH of 6.630.


Recall that Kw is the autoionization constant of water, and is given by:


Kw=H+OH-


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