Initial mass
![](space.gif)
cartridge________g
![](space.gif)
bag _________ g
Final mass
________g
__________g
Change in mass
________g
__________g
Discrepancy: _________g
Different between these two masses
Moles of Butane in bag: n = _____ moles
Change in
cartridge mass
58.124 g/mole
calculate