Question

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

Answer 1

`pOH = 6.6`

Explanation:

`pOH+pH=14`

If `pH=7.4` then `pOH = 14-pH`

`pOH = 14-7.4`

`pOH = 6.6`