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Homework Help: Chemistry HELP

  1. Jun 25, 2007 #1
    a student prepared a 0.10 M solution of acetic acid, CH3COOH. acetic acid has a Ka of 1.75 * 10^-5. what are the hydronium ion concentration and the pH of the solution?

    [hydronium ion] =
    pH =
  2. jcsd
  3. Jun 25, 2007 #2


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    Write out the expression for Ka and substitute what you know into the expression.
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