m(C6H14) = 1 кг = 1000 г
n(C6H14) = m(C6H14) / M(C6H14) = 1000 / 86 = 11.63 моль
2C6H14 + 19O2 → 12CO2 + 14H2O
n(O2) = (19/2) * n(C6H14) = (19/2) * 11.63 = 110.5 моль
V(O2) = n(O2) * Vм = 110.5 * 22.4 = 2474 л
ϕ(О2) = 21% = 0.21
V(воздуха) = V(O2) / ϕ(О2) = 2474 / 0.21 = 11783 л ≈ 11.8 м3
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m(C6H14) = 1 кг = 1000 г
n(C6H14) = m(C6H14) / M(C6H14) = 1000 / 86 = 11.63 моль
2C6H14 + 19O2 → 12CO2 + 14H2O
n(O2) = (19/2) * n(C6H14) = (19/2) * 11.63 = 110.5 моль
V(O2) = n(O2) * Vм = 110.5 * 22.4 = 2474 л
ϕ(О2) = 21% = 0.21
V(воздуха) = V(O2) / ϕ(О2) = 2474 / 0.21 = 11783 л ≈ 11.8 м3