Soutsuur: Verskil tussen weergawes

 

:<chem>K_a = \frac{[H^+][A^- ]}{[HA]}</chem> {{spaces|10}} vir {{spaces|10}} <chem>HA <=> H^+ + A^-</chem>

 

'''Antwoord:'''

 

:<math>pH = -\log [H^+] = -\log 0.05 = 1.3</math>

 

{{Saadjie}}