Diapositive PPT
pH = pKa +log { CbVb / (CaVa - CbVb) }
pH = 14 + log { (CbVb - CaVa) /( Va + Vb ) }
Acide faible / Base forte
pH = - log { (CaVa - CbVb) /( Va + Vb ) }
pH = pKa + log { (CbVb - CaVa) /( Ca Va ) }
pHi = 7 +1/2 pKa +1/2 log Cb
pHi= 1/2 [ pKa - log Ca ]
pHE = 7 + 1/2 pKa + 1/2 log {Ca Va / (Va + Veq)}
pHE = 1/2 pKa - 1/2 log {Ca Va / (Va + Veq)}