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May 22, 2015

Homework Help: chemistry

Posted by Lucy J. on Wednesday, February 10, 2010 at 12:18am.

you are given samples of two pure compounds, one of which is a gas and one of which is a liquid at room temperature. by elemental analysis, both compounds are found to have the following composition (by mass):
52% C
13% H
35% O

(a) Determine the empirical formula of both compounds.
(b) The molar mass of both compounds is determined to be 46.0g/mol. Name one method for calculating the molar mass of a pure gas and one method for calculating the molar mass of a pure liquid.

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