What is the pH of a solution made by mixing 40.00 mL of 0.100 M HCl with 25.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive.
A) 0.64
B) 1.64
C) 12.36
D) 13.36
E) 10.00

Question

Quizplus · Accepted Answer

The moles of HCl and KOH are calculated, and since HCl is in excess, the remaining moles of HCl determine the pH. The pH is calculated using the concentration of excess HCl in the total volume.

What Is the PH of a Solution Made by Mixing