Styrene and Bromine Reaction: Determining Molecular Formula

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SUMMARY

The reaction of 0.500 grams of styrene with excess bromine yields a product with a mass of 1.27 grams, suggesting a molecular formula of C8H8Br2. The consistent results across multiple experiments indicate reliability in the findings. The stoichiometric calculations confirm that the proposed molecular formula aligns with the mass ratios derived from the initial reactants and final product.

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  • Understanding of stoichiometry and molar mass calculations
  • Familiarity with organic chemistry concepts, specifically reactions involving alkenes
  • Knowledge of bromination reactions and their mechanisms
  • Ability to draw and interpret molecular structures
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  • Research the mechanism of bromination of styrene
  • Learn about the properties and applications of brominated compounds
  • Explore stoichiometric calculations in organic reactions
  • Investigate the significance of molecular formulas in chemical analysis
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Chemistry students, organic chemists, and anyone studying reaction mechanisms and molecular structure determination.

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Homework Statement



A student allowed a 0.500 gram sample of styrene to react with an excess of bromine.*
An unknown product with a mass of 1.27 grams was obtained.**The student repeated the experiment
several times and always obtained the same result.**What is the likely molecular formula of the product?***
Draw the most likely structure

Homework Equations


The Attempt at a Solution


I'm not really sure what I'm doing here. Is it just C8H8Br2?
 
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This is about a simple stoichiometry and ratio of molar masses. Have you tried to write a reaction equation, and check, if C8H8Br2 as a product fits the numbers given in the question?
 

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