1g of benzoic acid on esterification gave 1.25g of ethyl benzoate. Determine the theoretical yield and percentage yield
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Answer:Theoretical yield is 1.229g and percentage yield is 101.70
Explanation: Benzoic acid reacts with ethanol to give ethyl benzoate (Esterification). It is a equimolar reaction. 1 mole (122g) benzoic acid reacts with 1 mole ethanol to form 1 mole of ethyl benzoate (150g).
122g yields ----------> 150g
1g yields -----------> ? A
A= 150/122 = 1.229g (Theoretical yield)
Practical Yield = 1.25g
% Yield = (Practical yield/theoretical yield) x 100
=(1.25/1.229) x100 = 101.70
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