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#Question id: 379


A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL of 1.0 M hydrochloric acid. The resulting solution is pH:

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 6.5

  2. 6.8

  3. 7.2

  4. 7.4


Answer:- Option(s): 4


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