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October 22, 2014

Homework Help: chemistry

Posted by megan on Thursday, July 26, 2012 at 12:58pm.

You are given 50 mL of .25 M citric acid. How many moles of NaOH would you need to add to obtain a soln with a pH of 6.7? Assume volume unchanged

Ka1=7.4E-4
Ka2=1.7E-5
Ka3=4E-7

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