Propanoic Acid (CH₃CH₂COOH) Has a K_a of 1

question 97

Short Answer

Propanoic acid (CH₃CH₂COOH) has a K_a of 1.34 × 10^-5. A 25.00-mL sample of 0.1000 mol • L^-1 propanoic acid (in flask) is titrated with 0.1000 mol • L^-1 NaOH solution, added from a buret. Carry out the calculations of the quantities indicated below.
a. The pH after 0.00 mL of NaOH is added.
b. The pH after 15.00 mL of NaOH is added.

---

Definitions:

Masturbatory Satiation

A behavioral therapy technique involving excessive masturbation to reduce the frequency of deviant sexual arousal.

Transvestism

The practice of dressing and acting in a style or manner traditionally associated with the opposite sex, primarily for personal expression or satisfaction.

Premature Ejaculation

A dysfunction in which a man persistently reaches orgasm and ejaculates within one minute of beginning sexual activity with a partner and before he wishes to. Also called early or rapid ejaculation.

Covert Sensitization

A cognitive-behavioral therapy technique using unpleasant imagery to reduce unwanted behaviors.