A sample of lime (CaOH2)has a pH of 12.4. What is the pOH of this solution?

1 Answer
Mar 20, 2018

I would say #1.6#.

Explanation:

At #25^@"C"#, #"pH + pOH"=14#. Click here for the explanation.

So, we got a sample of calcium hydroxide #(Ca(OH)_2)# with a #"pH"# of #12.4#.

Therefore, its #"pOH"# will be

#"pOH"= 14 - color(blue)"pH"#

#=14-color(blue)12.4#

#=1.6#