Polyprotic Acid pH
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Polyprotic Acid pH
Is it right to say that the second deprotonations of all polyprotic acids (but sulfuric acid) can be ignored when calculating pH?
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Chem_Mod
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Re: Polyprotic Acid pH
In the book problems, they explicitly say to ignore the second deprotonations bc the Ka values are extremely small. Likewise, if it is not explicitly said on a problem, look at the Ka value and determine if there is any significant protonation occurring.
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