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Title: The value of ionic product changes with the change in temperature/presure, does it affect the pH of pure water? Post by: SMOKEY2112 on Nov 19, 2012 Well, I know the concentration of hydroxide and hydronium ions will stay the same, but if we take the negative log of either at any temperature other than SRTP, the answer is not equal to 7.
Title: The value of ionic product changes with the change in temperature/presure, does it affect the pH of pure water? Post by: firegirl2012 on Nov 19, 2012 That's right, pH is temperature dependent, which is why you should always measure pH at about 25 C, where [H+][OH-] is near 10^-14.
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