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Topic: synthesis of trans-dichloro-bis-ethylenediamine cobalt(III) chloride  (Read 8685 times)

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Offline tahyus

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i recently performed an experiment (2CoCl2.6H2O + H2O2 + 2HCl + 4en = 2[Co(en)2Cl2]Cl + 14H2O)

I then calculated my actualy yield (1.382g) and the mols(0.004844mol) of green crystals produced

i need some help on how to figure out the limiting reagent and also how to use that information to calc the theoritical yield



Offline hmx9123

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Re: synthesis of trans-dichloro-bis-ethylenediamine cobalt(III) chloride
« Reply #1 on: March 17, 2007, 07:07:17 PM »
Well, figuring out the limiting reagent is pretty simple if you have the lab data for it.  How much of each thing did you use?  Convert it into mols and compare how much is needed to how much was used.  Then you'll find that one of these is the limiting reagent.  Once you have that, the limiting reagent will tell you the maximum possible (theoretical) yield, because you can't make more than your limiting reagent will allow.  Give us some specific numbers and the work you've done already and we'll go from there.

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