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November 24, 2014

Homework Help: biochemistry

Posted by Emma on Friday, September 21, 2012 at 9:38am.

The pH of 0.02M solution of a weak acid was measured at 7.6. What is the [OH-] in this
solution?
B) The Ka for benzoic acid is 6.4 x 10-5M. 150 ml of 0.1 M NaOH is added to 200 ml of 0.1 M
benzoic acid, and water is added to give a final volume of 1 L. What is the pH of the final solution?

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