sapphirewells sapphirewells
  • 24-05-2021
  • Chemistry
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What is the pH of a 0.025 M HCl solution?
12.4
1.6
2.5
05

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keijosalonen
keijosalonen keijosalonen
  • 03-06-2021

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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