Answers
here, we have first written the equation.
then found the value of n.
as we know the formula PV=nRT
from there we got V=nRT/P
substituting the values we get volume of air=19.76 L
writing the reaction; C3 Hg + 50g – 3 CO₂ + 4H₂O For 19 propane, we have - 19C₃H8 x 1 mol C₂ H₂ 44.09629 = 0.0227 mols Cz He Mol ratio of C₂ H₂ to oa is 1:5 So 5 x 0.0227 = 0.1135 mols of Oz 28. needed to react completely with this amount of propane. Guven Mole fraction of no 0.210 ( total = 1)
Here, - 0.
.
1135 molsa, 0.210 7 ?? mols aire on calculation; we get [0.54 mols of aer, which is needed mole fraction. for this Finally, we calculate volume of als in Lutre PV = nRT Here D=1.05 atm; n = 0.54 mols aire R un Litre = 0.0821 L. atm/mork Temperature in k = 195+273 = 468k (0.54 mots air) (0.821 L. ateismolk) (468k) 1.05 atm [V = 19.76 L of air
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