What is the value of OH- in a solution with a pH of 10?

What is the value of OH- in a solution with a pH of 10


please help

thanx!!

Answer:
1 x 10 -4
value of OH-?? that does not make sense
If pH=10 then 14-10 = pOH; pOH =4
1*10^-4= [OH-] only for a strong acid or base because they are completely dissociated.
pH = -log[H+]
pOH = -log[OH-]
pH + pOH = 14
if the pH is 10, the pOH is 4.

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