2.24
Объяснение:
m(PBS)=23.9 g
V(SO2)-?
2PBS+3O2=2PbO+2SO2
n(PBS)=m/M=23.9 g/239 g/mol=0.1 mol
n(PbS)=n(SO2)=0.1 mol
V(SO2)=Vm*n=22.4 l/mol*0.1 mol=2.24 l
2.24
Объяснение:
m(PBS)=23.9 g
V(SO2)-?
2PBS+3O2=2PbO+2SO2
n(PBS)=m/M=23.9 g/239 g/mol=0.1 mol
n(PbS)=n(SO2)=0.1 mol
V(SO2)=Vm*n=22.4 l/mol*0.1 mol=2.24 l