Question

What volume, in liters, of 1.04 M KOH solution should be added to a 0.116 L solution containing 10.08 g of glutamic acid hydrochloride (Glu, FW = 183.59 g/mol; pKa1 = 2.23, pKa2 = 4.42, pKa3 = 9.95) to get to pH 10.15?

Jul 9, 2015

Is my Henderson equation right? 10.15=9.95+log(x/(.059-x))

Jul 9, 2015

It looks ok except for the 0.059.
10.08/183.59 = 0.0549 mols

Jul 9, 2015

Thanks!

Jul 9, 2015

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