the percentage of dimethylphthalate (DMP) in the sample.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A 0.8065-g sample containing dimethylphthalate (DMP), C6H4(COOCH3)2 (194.19 g/mol), and unreactive species was refluxed with 50.00 mL of 0.1215 M NaOH to hydrolyze the ester groups (this process is called saponification).

 C6H4(COOCH3)2 + 2OH- ------> C6H4(COO)22- + 2 CH3OH

After the reaction was complete, the excess NaOH was back titrated with 24.27 mL of 0.1644 M HCl. Calculate the percentage of dimethylphthalate (DMP) in the sample.

 Express  your answers with 3 decimal places

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