...at STP.? Initial weight of pyrex tube +KCLO3 4.35
Final weight of pyrex tube + residue 6.3166
Final buret reading 37.3
Initial buret reading 0.2
Room temperature 22 oC
Barometric pressure 756.6 torr 756.6 x 1 atm/760 = 0.9955 atm
vapor presure of water at room teperature 19.8
weight of oxygen...