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A buffer solution based upon ascorbic acid (H2C6H6O6) was created by treating 1.00 L of a...

A buffer solution based upon ascorbic acid (H2C6H6O6) was created by treating 1.00 L of a 1.00 M ascorbic acid solution with NaOH until a pH of 3.473 was achieved (assuming no volume change). To this buffer 1.300 moles of NaOH were added (assume no volume change). What is the final pH of this solution?
For this problem we can assume the 5% assumption is valid.

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