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#Question id: 377


The aqueous solution with the highest pH is:

#XL - S Microbiology
  1. 1 M NH3 (pKa = 9.25)

  2. 0.5 M NaHCO3 (pKa = 3.77)

  3. 0.1 M NaOH

  4. 0.001 M NaOH


Answer:- Option(s): 3


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