Ethyl acetate is formed by the reaction between ethanol and acetic acid and the equilibrium is represented as: CH₃COOC₂H (l) + C₂H₅OH (l) ⇆ CH₃COOC₂H₅ (l) + H₂O (l) Write the concentration ratio (reaction quotient), Qc, for this reaction (note: water is not in excess and is not a solvent in this reaction)
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From the chemical reaction which is given, the reaction quotient
Qc = [CH3COOC2H5] [ H2O] / [CH3COOH] [C2H5OH].
Form the values given in the equation the equilibrium constant for this reaction Kc = 3.92.
The reaction quotient Qc values are 0.204.
From the values which are obtained, the reaction quotient Qc is less than the values of the equilibrium constant Kc. (Qc<Kc)
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