What is the #H^+# concentration for an aqueous solution with pOH = 3.05 at 25°C?

1 Answer
Apr 25, 2017

Answer:

If pOH is 3.05, pH is 10.95 or #[H^+]=1.122*10^-11# mol/L

Explanation:

#pH=-log(H^+)#

Now, what is #H^+# if your pH is 10.95 (since pH+pOH=14, your pH=10.95).

#(H^+)=10^(-10.95)#

#(H^+)=1.122*10^-11#

This is your hydrogen ion concentration: #[H^+]=0.00000000001122# mol/L