Answer to Question #91251 in Inorganic Chemistry for Agou Alier

Question

What is the pH of a solution of HCl with a concentration of 1.2 X 10
-3 M?

Answer 1

Solution.

Hydrochloric acid is a strong acid, therefore, to find the acidity (pH), the following formula is necessary:

$$pH = -lg(H+)$$ $$pH = -lg(1.2 \times 10^{-3})$$

pH = 2.92

Answer:

pH = 2.92