The pH of a solution prepared by mixing 45.0 mL of 0.183 M KOH and 25.0 mL of 0.145 M HCl is __________.
A)1.314
B)1.181
C)0.00824
D)12.819
E)12.923

Question

Quizplus · Accepted Answer

The solution is basic because there is an excess of KOH after neutralizing HCl. Calculate the moles of KOH and HCl, find the excess moles of KOH, determine the concentration of OH⁻ in the final solution, and then calculate the pH.

The PH of a Solution Prepared by Mixing 45