Chemical EquilibriumHard

Question

At 727oC and 1.23 atm of total equilibrium pressure, SO3 is partially dissociated into SO2 and O2 according to SO3(g) ⇋ SO2(g) + 1/2O2(g). The density of equilibrium mixture is 0.9 gm/litre. The degree of dissociation is :

Options

A.1/3
B.2/3
C.l/4
D.1/5

Solution

SO3(g) ⇋ SO2(g) + O2(g)    Mmix = = 60
1 - α                   α           Mmix =
1 +                  
α =

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