1 Answer

Sleepsort · Answer 1 · 2021-10-21T12:37:06+0000

Answer : The
OH^- concentration is, 0.0316 M

Explanation :

pH : It is defined as the negative logarithm of hydrogen ion concentration.

First we have to calculate the pOH.

$pH+pOH=14\\\\pOH=14-pH\\\\pOH=14-12.50=1.5$

Now we have to calculate the
OH^- concentration.

$pOH=-\log [OH^-]$

$1.5=-\log [OH^-]$

[OH^-]=0.0316M

Therefore, the
OH^- concentration is, 0.0316 M

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