What is the pH of a 2.5 x 10-5 M solution of HCI?

Chemistry · Middle School · Tue Nov 03 2020

Answered on

Formula :

pH = -log(H+)

We have 

H+ = 2.5 x 10-5 M

pH = -log(2.5 x 10-5 M)

pH = 4.60

 

Hence, pH of HCl is 4.60. pH scale ranges from 0-14, and pH of less than 7 indicates acidity.