Question
If 2.5 g of NaOH is dissolved in 253 mL of water, what is the pH of the solution?
Answers
DrBob222
mols NaOH = grams/molar mass
M NaOH = mols/L solution
(NaOH) = M NaOH
pOH = -log(OH-)
pOH + pH = pKw = 14. You know pKw and pOH, solve for pH.
M NaOH = mols/L solution
(NaOH) = M NaOH
pOH = -log(OH-)
pOH + pH = pKw = 14. You know pKw and pOH, solve for pH.