TLS Online TPP Program

#Question id: 375


The aqueous solution with the lowest pH is:

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 0.1 M acetic acid (pKa = 4.86).

  2. 0.1 M formic acid (pKa = 3.75).

  3. 0.1 M HCl.

  4. 10^–12 M NaOH.