дано
V(C2H4) =100 L
m(H2O)-?
C2H4+3O2--->2CO2+2H2O
n(C2H4) = V(C2H4) / Vm = 100 / 22.4 = 4.64 mol
n(C2H4) = 2n(H2O)
n(H2O) = 2*4.64 = 9,28 mol
M(H2O) = 18 g/mol
m(H2O) = n(H2O)*M(H2O) = 18*9.28 = 167.04 g
ответ 167.04 г
дано
V(C2H4) =100 L
m(H2O)-?
C2H4+3O2--->2CO2+2H2O
n(C2H4) = V(C2H4) / Vm = 100 / 22.4 = 4.64 mol
n(C2H4) = 2n(H2O)
n(H2O) = 2*4.64 = 9,28 mol
M(H2O) = 18 g/mol
m(H2O) = n(H2O)*M(H2O) = 18*9.28 = 167.04 g
ответ 167.04 г