Question #ca771

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Answer 1 · 2017-05-24T03:00:57

pH = 11.87

We know if we have a given $[OH^(-)]$ , then we can find $"pOH"$ which is just the $"-log of the" [OH^(-)].$

Find $"pOH"$

$color(white)(aaa)$

We also know from the relationship that

$color(white)(aaaaaa)color(green)("pH+pOH = 14 at "25^@"Celsius"$

so from the $"pOH"$ we can find the $"pH"$ .

$color(white)(aaa)$

Find $"pH"$ from $"pOH"$

Answer: pH = 11.87