Homework Help: chemistry

Posted by canas on Saturday, December 1, 2012 at 4:09pm.

pls help me.
A buffer was prepared by dissolving 0.100 mol of the weak acid HA (Ka = 1.00 × 10−5) plus 0.050 mol of its conjugate base Na+A− in 1.00 L. Find the pH.

chemistry - DrBob222, Saturday, December 1, 2012 at 4:33pm
Use the Henderson-Hasselalch equation.
HA is the acid; NaA is the base.

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