1
дано
m(C3H8) = 100 g
-------------------------
V(CO2)-?
C3H8+5O2-->3CO2+4H2O
V(CO2) = m(C3H8) * n*Vm / M(C3H8) = 100*3*22.4 / 44 = 152.7 L
ответ 152.7 л
2
дано
m(C2H5OH) = 46 g
----------------------
V(O2)-?
C2H5OH+3O2-->2CO2+3H2O
V(O2) = m(C2H5OH) * n * Vm / M(C2H5OH) = 46*2*22.4 / 46 = 44.8 L
ответ 44.8 л