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In: Chemistry

The equilibrium constant KC for the reaction below has a value of 2.80 x 10^2 at...

The equilibrium constant KC for the reaction below has a value of 2.80 x 10^2 at a certain temperature. Suppose that for a particular system at equilibrium at that certain temperature the SO2 molar density is 0.0124 mol/L and the O2 molar density is 0.0310. Please predict the molar density of SO3.

2SO2 (g) + O2 (g) →2SO3 (g)

Solutions

Expert Solution

Let we have a equilibrium reaction as

then the equilibrium constant   of the above equilibrium reaction is written as

Here the Equilibrium reaction is written as

As we know that of the above equilibrium reaction is written as

We have the given concentration as

Now by using the law

Hence the concentration of at equilibrium is found as 0.0362M.

queen_honey_blossom answered 1 year ago
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