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July 6, 2015

Homework Help: Chemistry

Posted by Joy on Thursday, October 24, 2013 at 1:04am.

A 23.16 ml volume of an H2A acid solution of unknown concentration with 2 drops of phenolphthalein required 14.24 ml of 0.135 M NaOH to reach the endpoint. What is the molar concentration of the acid solution?

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