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A student titrated a 100.0 mL sample of 0.100 M acetic acid with 0.050 M NaOH....

A student titrated a 100.0 mL sample of 0.100 M acetic acid with 0.050 M NaOH. (For acetic acid, Ka = 1.8 * 10^-5 at this temperature.)

(a) Calculate the initial pH.

(b) Calculate the pH after 50.0 mL of NaOH has been added.

(c) Determine the volume of added base required to reach the equivalence point.

(d) Determine the pH at the equivalence point?

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