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May 25, 2015

Homework Help: chemistry

Posted by Anonymous on Monday, March 5, 2012 at 10:33pm.

What mass (in grams) of potassium acetate, KC2H3O2, must be added to 140 mL of 0.010 M acetic acid to form a buffer solution with a pH of 4.5?
(Ka (HC2H3O2)= 1.8 x 10-5)

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