Propanoic acid (CH3CH2COOH) has a Ka of 1.34 × 10-5. A 25.00 mL sample of 0.1000 M propanoic acid (in flask) is titrated with 0.1000 M NaOH solution, added from a buret. Carry out the calculations of the quantities indicated below, & put your answers in the boxes below.
1. The pH after 0.00 mL of NaOH are added.
2. The pH after 15.00 mL of NaOH are added.
3. The hydroxide ion concentration after 26.00 mL of NaOH are added.