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April 21, 2014

Homework Help: Chemistry

Posted by Cristian on Wednesday, October 17, 2012 at 8:59pm.

Which of the following will buffer near pH=9?

a. 0.5M sodiumacetate/0.5M acetic acid
b. 0.5M ammonium chloride/0.5M ammonia
c. 0.5M sodium dihydrogen phosphate/0.5M hydrogen phosphate

i think a) 0.5M sodiumacetate/0.5M acetic acid will buffer near pH=9

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