1 Answer

Yoan Arnaudov · Answer 1 · 2021-08-02T02:30:10+0000

Answer:

3.56

Step-by-step explanation:

pH refers to a measure of hydrogen ion concentration. It measures acidity or alkalinity of a solution. It usually ranges from 0 to 14.

If pH of aqueous solutions at 25°C is less than 7 then they are acidic, while aqueous solutions with a pH greater than 7 are alkaline.

Concentration of hydroxide ions =
3.6* 10^(-11)

pH =
$-log \left ( 3.6* 10^(-11) \right )=10.44$

pOH = 14 - pH = 14 - 10.44 = 3.56

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