# A sample of blood or tears has a pH of 7.4. What is the pOH of this solution?

Mar 27, 2018

$p O H = 6.6$

#### Explanation:

$p O H + p H = 14$

If $p H = 7.4$ then $p O H = 14 - p H$

$p O H = 14 - 7.4$

$p O H = 6.6$