[BrandonTex]

If 2 EQUAL volumes of HCl and NaOH OF ABOUT THE SAME CONCENTRATION are mixed together and you find that the resulting pH is ACIDIC, What is a possible explanation???


Does this have anything to do with "the idea that 100% dissociation begins to break down as solutions become more concentrated"? if yes (or no), why?

Plz help asap 

[Borek]

Possible explanation is that "about" doesn't mean "exactly".