The titration of 20.0-mL sample of 0.105 M Succinic Acid (Ka= 6.16 X10^-5) with 0.125 M NaOH. The initial pH with 0 mL of NaOH added? The volume of added base required to reach the equivalence point? The pH at 11 mL of added base? The pH at one-half equivalence point?  The pH at equivalence point? The pH after adding 21.50 mL of base beyond the equivalence point?

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