E. Answer all sections (i) - (iv). 1 mole of ethanol (C2H5OH) and 1 mole of ethanoic acid (CH3COOH) were reacted at 25 °C, in a non- aqueous solvent, until equilibrium was reached. It was subsequently determined that 0.33 moles of ethanol remained at equilibrium. (i) Write an equation for the reaction. (ii) Write an expression for the equilibrium constant, Kc, for the reaction and calculate its value. Subsequently a further 3 moles of C2H5OH was added to the solution. (iii) Determine the concentrations of all the species present when eguilibrium is restored

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3. Answer all sections (i) - (iv).
1 mole of ethanol (C2H5OH) and 1 mole of ethanoic acid (CH;COOH) were reacted at 25 °C, in a non-
aqueous solvent, until equilibrium was reached. It was subsequently determined that 0.33 moles of
ethanol remained at equilibrium.
(i)
Write an equation for the reaction.
(ii)
Write an expression for the equilibrium constant, Kc, for the reaction and calculate its value.
Subsequently a further 3 moles of C2H5OH was added to the solution.
(ii)
Determine the concentrations of all the species present when equilibrium is restored.
Transcribed Image Text:3. Answer all sections (i) - (iv). 1 mole of ethanol (C2H5OH) and 1 mole of ethanoic acid (CH;COOH) were reacted at 25 °C, in a non- aqueous solvent, until equilibrium was reached. It was subsequently determined that 0.33 moles of ethanol remained at equilibrium. (i) Write an equation for the reaction. (ii) Write an expression for the equilibrium constant, Kc, for the reaction and calculate its value. Subsequently a further 3 moles of C2H5OH was added to the solution. (ii) Determine the concentrations of all the species present when equilibrium is restored.
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