TLS Online TPP Program

#Question id: 399


Calculate the pH of a 1 L solution containing 0.100 M formic acid and 0.100 M sodium formate before and after the addition of 1.00 mL of 5.00 M NaOH. How much would the pH change if the NaOH were added to 1.00 L of pure water? (pKa for formic acid is 3.75)

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 3.75, 11.7

  2. 3.75, 12.8

  3. 3.79, 11.7

  4. 11.7, 3.79