Write the equilibrium constant $K$ for the reaction $CH_3COOH + H_2O \rightleftharpoons H_3O^{+} + CH_3COO^{-}$

  • A
    $K = \frac{[H_3O^{+}][H_2O]}{[CH_3COO^{-}][CH_3COOH]}$
  • B
    $K = \frac{[H_3O^{+}][CH_3COO^{-}]}{[CH_3COOH][H_2O]}$
  • C
    $K = \frac{[H_3O^{+}][H_2O]}{[CH_3COOH][CH_3COO^{-}]}$
  • D
    $K = \frac{[H_2O][CH_3COO^{-}]}{[H_3O^{+}][CH_3COOH]}$

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