Posted by **Katrina** on Sunday, March 27, 2011 at 3:02pm.

Calculate the pH after 0.13 mol of NaOH is added to 1.00 L of the solution that is 0.57 M HF and 1.13 M KF.

I got the answer of 3.66 to 3 sig figs, but it's wrong. Can you please tell me what I did wrong?

-Thanks

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