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April 26, 2015

Homework Help: chemistry

Posted by shelly on Saturday, November 28, 2009 at 12:41pm.

a compound with the molecular weight of 276 grams was determined to be 39.10% carbon, 8.77% hydrogen, and 52.13% oxygen. what is the empiricial formula and the molecular formula for the compound? i do not know where to start!

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