3 years ago

What is the pH of a 0.025 M HCl solution? 12.4 1.6 2.5 05

1 answer:

7 0

Answer: pH is 1.6

Explanation: Explanation: HCl is strong acid and it protolyzes totally:

HCl + H2O ⇒ H3O+ + Cl-

Concentrations are same: [H3O+] = c(HCl)

pH = - log[H3O+] = - log(0.025) = 1.60

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