Worksheet: Degrees of Ionization from pH

In this worksheet, we will practice calculating degrees of ionization from pH values by comparing original and equilibrium hydronium concentrations.

Q1:

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%
  • B7.8%
  • C6.5%
  • D9.1%
  • E3.3%

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