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DETERMINING GAS DENSITY (2 of 3)<br />
Evacuated tube is placed on the balance<br />
The numeric value appearing in milligrams (219.965 g)  is the weight of the evacuated gas collection tube.

Fphoto-64950910B-6RM.jpg

DETERMINING GAS DENSITY (2 of 3)
Evacuated tube is placed on the balance
The numeric value appearing in milligrams (219.965 g) is the weight of the evacuated gas collection tube.

Copyright:© 2009 Richard Megna - Fundamental Photographs

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