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How do you calculate the Degree of Ionization of Acetic Acid?

In: Chemistry [Edit categories]

Answer:

measure pH of a known solution, say 0.1 mol/L acetic acid.

pH = - log₁₀[H₃O⁺], rearrange that and: [H₃O⁺] = 1 / (10^pH)

so now you have concentration of hyronium ions.

If acetic acid completely dissociated into its ions, then 0.1mol/L would be ions, but it doesn't!

So the percentage of dissociation = 0.1 / [H₃O⁺] = 0.1 / [ 1 / (10^pH)]

First answer by Petrucci. Last edit by Petrucci. Contributor trust: 1 [recommend contributor ]. Question popularity: 1 [recommend question].

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