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April 20, 2014

Homework Help: ap

Posted by cheri on Sunday, September 16, 2012 at 10:59pm.

A sample of air contains 38.5 g/m3 of beryl-
lium dust. How many atoms of beryllium are
present in a room with dimensions of 8 feet by
12.9 feet by 17.1 feet?
Answer in units of atoms

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