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August 21, 2014

Homework Help: chemistry

Posted by Nagaa on Monday, December 20, 2010 at 9:37am.

The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments consisted of 0.036 mole fraction O2 and 0.058 mole fraction N2, with helium (He) making up the remainder. What are the masses of nitrogen, oxygen, and helium in a 7.22-g sample of this atmosphere?

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