Chemical Forums
Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: Ibin-Huan on July 03, 2012, 12:41:43 PM
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why in buffer solution preparation, the value of pKa should near the pH that we want?
Thank you in advance
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in buffer mixtures, why salt does not react with water to hydrolyze as an acid or a base?
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why in buffer solution preparation, the value of pKa should near the pH that we want?
http://www.chembuddy.com/?left=pH-calculation&right=pH-buffer-capacity
in buffer mixtures, why salt does not react with water to hydrolyze as an acid or a base?
It does, just like acid dissociates, but in most cases both effects are negligible. Sometimes (especially for a very weak or too strong acids) they can't be ignored.