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July 3, 2015

Homework Help: Chemistry

Posted by Jake on Thursday, April 7, 2011 at 12:04am.

The Ka for hydroflouric acid is 4.5 *10^-4 at 298K. Calculate the amount of sold NaF that is required toprepare a 250. mL acidic buffer with pH = 2.75. The inital molarity of hydroflouric acid is .250M but you have only 75mL.

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