Question
If you began with 192 mg of trans-1,2-dibenzoylethylene and recovered 82 mg of cis-1,2-dibenzoylethylene, what is...
If you began with 192 mg of trans-1,2-dibenzoylethylene and recovered 82 mg of cis-1,2-dibenzoylethylene, what is your percent yield? Round your answer to the nearest percent. Your Answer
Answers
The reaction is
Trans- 1,2-dibenzoyl ethylene …………………………….> Cis- 1,2-dibenzoyl ethylene
Mol. Wt. : 236.26 g/mol 236.26 g/mol
From the above transformation
236.26 g of trans-1,2-dibenzoyl ethylene produces cis-1,2-dibenzoyl ethylene = 236.26 g
0.192 g of trans-1,2-dibenzoyl ethylene produces cis-1,2-dibenzoyl ethylene = 0.192 g
Theoretical yield = 0.192 g
Actual yield = 0.082 g
% yield = (Actual yield/Theoretical yield) x 100% = 42.71%
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