THAT IS WHAT I NEEDED! THANK YOU!
I did the titration myself, so the curve is due to a ton (60+) plots on a graph. However, I didn't know what the pKa was, as the only thing that was given in the lab was the molarity of the acid, and the bases. It is weird, but my biology textbook covers acids and bases, but there is no mention of pKa anywhere in the book. I checked my chemistry book, but it wasn't much help either.