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The pH of a 1.0 10⁻³ ~mol ~L ⁻¹ solution of a weak acid HA is 3.60 . The dissociation constant of the acid is

Options

  1. A8.4 10⁻⁸
  2. B8.4 10⁻⁶
  3. C8.4 10⁻⁵
  4. D8.4 10⁻²

Correct answer

C. 8.4 10⁻⁵

Step-by-step solution

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