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October 21, 2014

October 21, 2014

Posted by **Cheyenne** on Thursday, September 23, 2010 at 8:46pm.

- Chemistry -
**DrBob222**, Thursday, September 23, 2010 at 9:14pmI would change feet to meters for all three dimensions, then L x W x H of the room (in meters) will give you the volume in cubic meters. volume x concn Be dust (the 21.9 something g/m^3) will give you grams Be dust. Divide by atomic mass to arrive at moles, then remember there are 6.022 x 10^23 atoms in a mole.

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