If 25.5 grams of NaOH is dissolved in 750 ml of water, find:

Question

[H+]=
[OH-]=
pH=
pOH=

Answer 1

moles NaOH = grams/molar mass
(NaOH) = moles/L soln.
pOH = -log(OH^-)
pH + pOH = pKw = 14.