" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
[OH-] = 2 x M = 2 x 0,02 = 0,04 M = 4 x10⁻²
pOH = - log [OH-]
pOH = - log 4 x10⁻²
pOH = 2 - log 4
pH = 14 - pOH
pH = 14 - (2 - log 4)
pH = 12 + log 4
pH = 12 + 0,6 = 12,6