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November 23, 2014

Homework Help: Chemistry

Posted by Mom on Tuesday, October 18, 2011 at 5:59pm.

A 3.000 gram sample of an unknown compound containing the elements carbon, hydrogen, and nitrogen is analyzed by combustion. The combustion releases 4.714 grams of carbon dioxide and 1.500 grams of nitrogen. If 25 molecules have a combined mass of 4.65 x 10⁻²¹ grams, what is the compound's molecular formula?

Thank you.,

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