Experiment name : Preparaion of Synthetic Banana oil. 1) (a) Calculate the amoun

Question

Experiment name : Preparaion of Synthetic Banana oil.

1) (a) Calculate the amount of isopentyl acetate (isoamyl acetate) that should be present in the reaction mixture at equilibrium, based on the quantities of starting materials you used and a value of 4.2 for the equilibrium constant.(Use the quadratic equation; because volumes cancel out, moles can be used in place of molar concentrations.) (b) Estimate the mass of isopentyl acetate that was lost (1) as a result of incomplete reaction, (2) during the washings, and (3) during the distillation. Assume that he ester's solubility in aqueous NaHCO3 is about the same as in water. Compare the sum of these estimated losses with your actual product loss, and try to account for any significant differences.

Explanation / Answer

calculated assuming the reaction was irreversible and there was 100% yield) and multiplied it by (4.2/5.2), as I assumed an equlibrium constant of 4.2 means there are 4.2 moles of products for every 1 mole of reactants at equilibrium. I came up with this:

19.53 grams expected yield * 4.2/5.2 = 15.77 grams true expected yield

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