A 250 ML Volume of 0

Multiple Choice

A 25.0 mL volume of 0.100 M aspartic acid (monoprotic) is titrated with 0.100 M NaOH to the equivalence point. If the pH at the equivalence point is 8.28, calculate K _a for aspartic acid.

A) 1.4×10 ^{- 4}
B) 7.3×10 ^{- 4}
C) 5.2×10 ^{- 9}
D) 1.9×10 ^{- 6}
E) 1.0