Monday

July 28, 2014

July 28, 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.

**Related Questions**

science - A sample of air contains 32.7 µg/m3 of beryllium dust. How many atoms ...

chem - A sample of air contains 14.5 µg/m3 of beryllium dust. How many atoms of ...

ap - A sample of air contains 38.5 ìg/m3 of beryl- lium dust. How many atoms of ...

math - Sam is going to tile a rectangular room that has an area of 64 square ...

Geometry - the walls, floor, and ceiling of a room form a rectangular solid. The...

Chemistry - Why do beryllium and fluorine combine in a 1 : 2 Ratio? Be is in ...

math - a storage room measures 11.35 feet in length by 9.5 feet in width by 8.3 ...

math - A storage room measures 14.25 feet in length by 12.5 feet in width by 8.4...

math - the lenght of a rectangular room is 6 feet longer than twice the width. ...

Math - Preston drew a blueprint of an additional room he is planning to add to ...