Zappulla784 Zappulla784
  • 27-05-2015
  • Chemistry
Answered

Which of these correctly defines the pOH of a solution? a.) pOH=log[H3O+] b.) pOH=-log[H30+] c.) pOH=log[OH-] d.) pOH=-log[OH-]



Answer :

lulu1991
lulu1991 lulu1991
  • 10-06-2015
The answer is d) pOH = - lg[OH-]. Like pH expression: pH = -lg[H+] or pH = - lg[H3O+]. The pOH is a definition similar to the pH. So the expression is also similar. We only need to change H+ to OH-.
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