Propanoic Acid (CH₃CH₂COOH) Has a K_a of 1

question 33

Essay

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 are added.
b. The pH after 15.00 mL of NaOH are added.
c. The hydroxide ion concentration after 26.00 mL of NaOH are added.

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