- 1000g.......ocupa vol de 0,3m³=300dm³=300l
10g................................................V= 3 L
-pV=niuRT
2x3= niux0,082x (273+78)----> niu=4,8mol gaz triatomic
- niu= m/M----> 4,8= 10/M-----> M= 48g/mol----> O3(OZON)
-p=mRT/MV=roxRT/M-----,deoarece ro =m/v
ro= 2x48/ o,o82x351----------------> calculeaza !!!!!