Answer to Question #202798 in Chemistry for Shaza Shihadeh

Question #202798

What is the pH of a 0.02M solution of HCl?

Expert's answer

As HCl is a strong acid, it dissociates completely in a solution. From here, the concentration of protons in the solution equals 0.02 M. From here:

pH = -log[H⁺] = -log(0.02) = 1.7

Answer: 1.7

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