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Nitration of bromobenzene..

Cyanide
in Homework Help

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I performed a lab dealing with the nitration of bromobenzene..

I'm supposed to calculate the densities of 4-bromobenzene AND 2-bromobenzene.

I know the mass of each, and the molecular weight, and the moles...I was wondering where to start..?

 

Density is measured in g/mL

..

I just don't see a stoichiometric relation between g/mol, mol, and mass in grams, without having a volume

  • Author

Muchas Gracias ^_^

 

I was just overlooking my results, and for some reason I have more o-bromonitrobenzene than p-bromonitrobenzene...

 

From what I understand, the p-bromonitrobenzene SHOULD be the major product since bromine is an ortho-para director, and would want the least steric hinderance, correct? But perhaps the experimental lab reaction was not correctly completed...I'm not sure how to explain a large Ortho:para ratio. Hm. Could it be due to the fact that bromine is not a large molecule, and only larger molecules will force a the NO2 to the para position?

  • Author

Nevermind, I'm dumb. LoL.

I think I've figured it out ^_^

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