PH

pH es mesuro del asiditate (vida aside) de aque-solutione.

Lum bli defini per li formule pH = log10{H+} vor {H+} es li termodinamikal aktivitate del iones de hidrogene in li solutione.

Pur aque have pH = 7; asidi solutiones have pH < 7; alkali solutiones have pH > 7.

Vida anke: alkali, base
Category:Kemie