When a 0.125 m aqueous solution of PHCO2H reaches equilibrium at a certain temperature, [H3O+ ]eq = 0.0028 m. Calculate the equilibrium constant kc at this temperature.

Respuesta :

The value of Kc = 0.032 and pH = 1.496 ≈ 1.50 for the mentioned equillibrium.

What is an equillibrium constant, Kc ?

  • When a chemical process achieves equilibrium, the equilibrium constant (often represented by the letter K) sheds light on the interaction between the reactants and products.
  • For instance, the ratio of the concentration of the products to the concentration of the reactants, each increased to their respective stoichiometric coefficients, may be used to establish the equilibrium constant of concentration (denoted by Kc) of a chemical process at equilibrium.
  • It is significant to remember that there are several kinds of equilibrium constants that establish connections between the reactants and products of equilibrium reactions in terms of various units.

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