Calculate the pH of 0.001 M HCl solution. – InterviewSolution

1.

Calculate the pH of 0.001 M HCl solution.

Answer»

Since HCl is a strong acid, it dissociates

HCl → H⁺ + Cl^-

[H⁺] = [HCl] = 0.001 M

[H⁺] = 1 × 10^-3 M

pH = -log[H⁺]

= -log[1 × 10^-3]

pH = 3

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