2С2H6 + 7O2 = 4CO2 + 6H2O
n(C2H6) = V(C2H6)/Vm = 10/22.4 = 0.4464 моль
n(O2) = n(C2H6)*7/2 = 0.4464*7/2 = 1.5625 моль
V(O2) = n(O2)*Vm = 1.5625*22.4 = 3.5л
V(возд) = 3,5*100/21 = 166,66 л
2С2H6 + 7O2 = 4CO2 + 6H2O
n(C2H6) = V(C2H6)/Vm = 10/22.4 = 0.4464 моль
n(O2) = n(C2H6)*7/2 = 0.4464*7/2 = 1.5625 моль
V(O2) = n(O2)*Vm = 1.5625*22.4 = 3.5л
V(возд) = 3,5*100/21 = 166,66 л