Question #add52 Chemistry Acids and Bases pH calculations 1 Answer Ernest Z. Jun 7, 2017 #"[OH"^"-"] = 2.09 × 10^"-8"color(white)(l) "mol/L"# Explanation: #"pH = 6.32"# #"pOH = 14.00 - 6.32" = 7.68# #["OH"^"-"] = 10^"-7.68"color(white)(l) "mol/L" = 2.09 × 10^"-8"color(white)(l) "mol/L"# Answer link Related questions How do you determine ph of a solution? How do you determine pH at an equivalence point? How do you determine pH from molarity? What does alkalinity mean? What is a base? How do acid base indicators change color? What is a neutral pH? How does alkalinity affect pool water? Why is pH important in drinking water? How can I calculate the pH of a solution? See all questions in pH calculations Impact of this question 1291 views around the world You can reuse this answer Creative Commons License