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Topic: help solving this problem (finding the number of molecules)  (Read 3297 times)

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Offline KitCh

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help solving this problem (finding the number of molecules)
« on: October 11, 2009, 11:10:08 PM »
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I know I have to multiply by Avogadro's number but I don't know where to begin / how to interpret those diagrams so a little help to get me started would be appreciated.

Thanks in advance!  :)
« Last Edit: October 11, 2009, 11:26:04 PM by KitCh »
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Offline sjb

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Re: help solving this problem (finding the number of molecules)
« Reply #1 on: October 12, 2009, 01:56:25 AM »
Quote from: KitCh on October 11, 2009, 11:10:08 PM
Click


I know I have to multiply by Avogadro's number but I don't know where to begin / how to interpret those diagrams so a little help to get me started would be appreciated.

Thanks in advance!  :)

I don't think you have to multiply by Avogadro's constant, and just consider that the multicoloured blobs are methanol, the monocoloured oxygen. Then it's a simple limiting reagent problem
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Offline KitCh

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Re: help solving this problem (finding the number of molecules)
« Reply #2 on: October 12, 2009, 04:30:36 PM »
So, uhm, what's the answer?  :-[
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Offline sjb

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Re: help solving this problem (finding the number of molecules)
« Reply #3 on: October 13, 2009, 01:45:12 AM »
Well, in a) you seem to have 3 CH3OH and 3 O2, how many molecules of CO2 can you make here?
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