Wednesday
April 16, 2014

Homework Help: chemistry

Posted by ashlee on Wednesday, May 5, 2010 at 12:28pm.

A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place, so the answer should be 3 significant figures.

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