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April 23, 2014

Homework Help: NEED HELP WITH CHEMISTRY HW

Posted by Anonymous on Saturday, October 1, 2011 at 7:50pm.

Ascorbic acid (vitamin C) is a diprotic acid having the formula H2C6H6O6. A sample of a vitamin supplement was analyzed by titrating a 0.2894 g sample dissolved in water with 0.0215 M NaOH. A volume of 10.83 mL of the base was required to completely neutralize the ascorbic acid. What was the percentage by mass of ascorbic acid in the sample?

______________% ascorbic acid

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