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#Question id: 375


The aqueous solution with the lowest pH is:

#SCPH05 I Biotechnology
  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.


Answer:- Option(s): 3


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