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Phenol, the active ingredient in Chloraseptic throat spray, is a monoprotic weak acid whose formula is...

  1. Phenol, the active ingredient in Chloraseptic throat spray, is a monoprotic weak acid whose formula is HC6H5O (Ka = 1.3 * 10-10). Suppose 12.50 g of phenol is dissolved in water and enough water is added to bring the total solution volume to 250.0 mL.

  1. Write the balanced chemical equation for the resulting equilibrium. Identify all conjugate acid/ base pairs.

(b) Calculate the molarities of all species in the equilibrium mixture, the percent dissociation of phenol, and the pH of the resulting solution.


(c) Now suppose water is added to this same aqueous solution of phenol and results in a volume of 1.00L. What will happen to the percent dissociation of phenol? Explain.

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