calculez vol clor in c.n.-cand devine gaz
pV=m/M RT , luand p=1atm, T=25+173=298. M=71g/mol Cl2
V=(1775/71) 0,082 x298=611 litri
1l clor.......10⁵l aer
611l.............V= 611X10⁵ L aer; raportul e exprimat aici in litri
v= 15x12x2,5 m³= 450m³l....volumul unei camere
450m³=450x10³ l
calculez nr.camere ce pot fi contaminate
611x10⁵/ 450x10³=1,36x10²----pana in 150 camere, cam 130