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April 26, 2015

Homework Help: Science

Posted by Peter on Wednesday, April 10, 2013 at 6:51pm.

A flask contains 0.528 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.200 M NaOH. 32.5 mL of the NaOH is titrated into the flask.
What is the molar mass of the acid (assuming it is diprotic and that the end point corresponds to the second equivalence point)?
Please explain.

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