Hg+4HNO3=Hg(NO3)2+2NO2+2H2O
n(Hg)=6.9\207.20=0.0333mol
2Hg(NO3)2=2HgO+4NO2+O2
n(NO2)=2n(Hg(NO3)2=0.0666
V(NO2)=n*Vm=22.4*0.0666=1.49184 литр
Hg+4HNO3=Hg(NO3)2+2NO2+2H2O
n(Hg)=6.9\207.20=0.0333mol
2Hg(NO3)2=2HgO+4NO2+O2
n(NO2)=2n(Hg(NO3)2=0.0666
V(NO2)=n*Vm=22.4*0.0666=1.49184 литр