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May 26, 2015

Homework Help: chem

Posted by Anonymous on Saturday, April 13, 2013 at 10:48am.

3. Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium?

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