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14/01/2022 3:11 pm
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100 g of propane is completely reacted with 1000 g of oxygen. The mole fraction of carbon dioxide in the resulting mixture is x × 10-2. The value of x is _______. (Nearest integer)
[Atomic weight : H = 1.008; C = 12.00; O = 16.00]
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14/01/2022 3:16 pm
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l)
t = 0 2.27 mole 31.25 mol
t = ∞ 0 19.9 mol 6.81 mol 9.08 mol
mole fraction of CO2 in the final reaction mixture (heterogenous)
XCO2 = \(\frac{6.81}{19.9+6.81+9.08}\)
= 0.1902 = 19.02 x 10-2
= 19