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Topic: little trouble with a stoichiometry problem.  (Read 2002 times)

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Offline Oblivion

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little trouble with a stoichiometry problem.
« on: May 12, 2010, 09:27:19 PM »
Complete combustion of a hydrocarbon Give CO2 and H2O as the only products. CxHy a hydrocarbon is burned, resulting CO2 and H2O in the ratio by weight of 1.955 for 1. What is the formula of the hydrocarbon.
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Offline sjb

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Re: little trouble with a stoichiometry problem.
« Reply #1 on: May 13, 2010, 02:14:50 AM »
Can you write a balanced equation for your reaction, in terms of x and y?

CxHy  :rarrow: ?

If you end up with p grams of carbon dioxide, how much water do you have? How many moles of each?
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