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Prelab to accompany bromination of trans-cinnamic acid (4 pts each) The stoichiometry of the addition is 1:1,...

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Chemistry

Prelab to accompany bromination of trans-cinnamic acid(4 pts each)

The stoichiometry of the addition is 1:1, meaning that for everyone mole of transcinnamic acid, one mole of Br2 is needed to formthe addition product. The Br2 presents as a solution indichloromethane solvent. This often causes problems for studentswhen calculating stiochiometric equivalents. The bromine solutionis 10% Br2 by volume. For instance, 100 mL of solution contains 10mL of liquid Br2. The density of Br2 is 3.12 g/mL.

Calculate the number of mmol of Br2 present in 0.48 mL ofbromine solution

Calculate the number of mmol in 100. mg of trans-cinnamic acid(use a MW calculated to 2 decimal places)

Which is the limiting reagent?

What is the theoretical yield of the addition product? (use a MWcalculated to 2 decimal places)

Show all calculations.

Answer & Explanation Solved by verified expert
3.5 Ratings (652 Votes)
10 bromine solution of 048 ml contain 0048 ml of Brliquidmass volume density 0048 312 014976gm10 bromine solution of 048 ml contain 014976 gm of bromineliquidmolar mass of Br2 159808 gm mol then 014976 gm 014976159808    See Answer
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