Calculate the pOH of a solution containing 0.25 g of HCl in 800. mL of solution.
A) 11.93
B) 10.93
C) 9.93
D) 8.93
E) None of the above

Question

Quizplus · Accepted Answer

To find the pOH, first calculate the concentration of HCl: 0.25 g HCl / 36.46 g/mol = 0.00686 mol. Divide by 0.8 L to get 0.008575 M. Since HCl is a strong acid, [H+] = 0.008575 M. pH = -log(0.008575) = 2.07. pOH = 14 - pH = 11.93.

Calculate the POH of a Solution Containing 0