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Where did the description that acids are sour and bases are bitter come from? With Arrhenius definition, those descriptions may have fit acids and bases, but with the Lewis definition, I guess they would not really apply.

For example, $\ce{AlCl3}$, a known Lewis acid, does not taste sour but rather "gives water a bitter astringent taste" as stated by PubChem in this link.

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    $\begingroup$ AlCl3 in water hydrolyzes and becomes Bronsted acid. $\endgroup$
    – Mithoron
    Aug 21 '15 at 23:30
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    $\begingroup$ possible duplicate of Do acids without hydrogen taste sour? $\endgroup$
    – Mithoron
    Aug 21 '15 at 23:32
  • $\begingroup$ Ok, I edited it so that it won't be the same with that question. :) $\endgroup$
    – Acnologia
    Aug 21 '15 at 23:40
  • $\begingroup$ Modifying the content of your question to say something else is prohibited in SE, but I reckon since your new revision was a part of your last question this is allowed. $\endgroup$
    – M.A.R.
    Aug 22 '15 at 5:48

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