December 2, 2015

Homework Help: chemistry

Posted by tom on Tuesday, January 31, 2012 at 1:44am.

At 22 degrees Celsius and a pressure of 755 mm Hg, an unknown gas was found to have a density of 4.52 g/L. When analyzed, the gas was found to consist of two elements: Boron at 78.1% and Hydrogen at 21.9%.
What is the molecular formula of this unknown gas?

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