1mol........................22,4l(volumul unui mol gaz)
H2S + 3/2 O2----> SO2+ H2O
4mol...........................V= 4x22,4 l=..................calculeaza !!!
V=22,4l H2S-----> n(niu)= 1molH2S----> n= 1mol SO2; V=22,4L
n(niu)= 3,4g/(2gH+32gS)/mol= 0,1mol H2S---> n= 0,1mol SO2; V=2,24L