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PH of a solution containing a strong acid and a weak acid

  1. Apr 28, 2013 #1
    1. The problem statement, all variables and given/known data
    Find the pH in 50.0 mL of 1.00M HCl + 50.0 mL of 1.00M HF

    2. Relevant equations
    None to speak of really...

    3. The attempt at a solution
    I figured out [HCl] and [HF] in the solution: they're both 0.5M.
    I have absolutely no idea what to do at this point... Thanks.
     
  2. jcsd
  3. Apr 28, 2013 #2
    Are you given the Ka for HF? If so, you can assume complete dissociation of HCl and use the given data to find the degree to which HF dissociates. Thus you can find the total no. of moles of H+ in the solution.
     
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