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What is the pH at halfway to the equivalence point?

  1. Jan 24, 2013 #1
    If 25.00 mL of 0.20 mol/L HCO2H(aq) is titrated with 0.26 mol/L NaOH(aq) determine the pH at halfway to the equivalence point. So far I have:

    Moles of HCO2H = 0.005 mol; at half way = 0.0025 I don't know the next step.
     
  2. jcsd
  3. Jan 24, 2013 #2

    Borek

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    Staff: Mentor

  4. Jan 26, 2013 #3

    epenguin

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    Don't let the superfluous information in the question confuse you.
     
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