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Wednesday, May 20, 2015

Solving for pH of an Acid Problems, 2

Category: Chemical Engineering Math

"Published in Newark, California, USA"

Calculate the pH of 3.5 x 10-3 M HNO3.

Solution:

Let's consider the ionization of HNO3 as follows 


Since HNO3 is  a strong acid, then it is ionized completely into H+ and NO3-

Therefore, the pH of a given solution is