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April 18, 2014

Homework Help: Chemistry lab

Posted by Maura on Wednesday, April 11, 2012 at 11:16am.

1) Using the 1st equivalence point from part a calculate the molarity of the phosphoric acid. Molarity of NaOH = .1523 M
Volume of phosphoric acid used 10.0mL
Volume at equivalence point 7.410 mL and 14.861 mL

2) Using the 2nd equivalence point from part a, calculate the molarity of the phosphoric acid. (remember that 2 H+ ions are being neutralized in this case.) How does this value compare to question one?
Any help would be appreciated! Thanks!

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