Converting the molarities into moles but I'm having trouble with the reaction

  1. Can anyone help me with this problem?


    Find the pH when 45.0 mL of 0.250 M NaOH(aq) is added to 35.0 mL of 0.200 M HCl(aq).

    I started by converting the molarities into moles but I'm having trouble with what the reaction should look like. Shouldn't it produce a salt (NaCl) and water? And if so, how would I calculate the [H+] and then ph from that?
     
  2. jcsd
  3. Re: Chemistry Problem

    Yes. If you've already converted to moles and you now know that the products are salt and water, you can now determine your limiting reagent and figure out how much H+ you have left over. With that and the total volume, you can determine the pH.
     
  4. Borek

    Staff: Mentor

    Re: Chemistry Problem

    Alternatively, you may have to calculate pOH first, if there is OH- left.
     
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