The stoichiometry of the addition is 1:1, meaning that for every one mole of trans-cinnamin acid, one mole of Br2 is needed to form the addition product. The Br2 presents as a solution in dichloromethane solvent. This often causes problems for student when calculating stiochiometric equivalents. The bromine solution is 10% Br2 by volume. For instance, 100 mL of solution contains 10 mL of liquid Br2. The density of Br2 is 3.12 g/mL.

-Calculate the number of mmol of Br2 present in 0.48mL of bromine solution

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

-Which is limiting reagent?

-What is the theoretical yield of the addition product?

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