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Worksheet: Degrees of Ionization from pH


A 0.125 M solution of nitrous acid, a weak inorganic acid, has a pH of 2.09. Calculate to 2 significant figures the percent ionization of nitrous acid in this solution.

  • A13%
  • B3.3%
  • C7.8%
  • D6.5%
  • E9.1%