Chemistry

Problem

25.0\,\text{mL}

sample of

0.100\,\text{M}

acetic acid (

K_a = 1.8 \times 10^{-5}

) is titrated with

0.100\,\text{M}

NaOH to its equivalence point at

25^\circ\text{C}

. Assuming volumes are additive, what is the pH of the resulting solution? a)

7.00

5.28

8.72

4.74