дано
m(N2) =58 g
W(примес) = 3%
V(N2O5)-?
m(N2) = 58 - (58*3% / 100) = 56.26 g
2N2+5O2-->2N2O5
M(N2) = 28 g/mol
n(N2) = m/M = 56.26 / 28 = 2 mol
2n(N2) = 2n(N2O5) = 2 mol
V(N2) = n(N2)*Vm = 2*22.4 = 44.8 L
ответ 44.8 л
дано
m(N2) =58 g
W(примес) = 3%
V(N2O5)-?
m(N2) = 58 - (58*3% / 100) = 56.26 g
2N2+5O2-->2N2O5
M(N2) = 28 g/mol
n(N2) = m/M = 56.26 / 28 = 2 mol
2n(N2) = 2n(N2O5) = 2 mol
V(N2) = n(N2)*Vm = 2*22.4 = 44.8 L
ответ 44.8 л