Question: a. At a certain temperature, 0.900 mol SO3 is placed in a 3.50 L container. 2SO3(g)2SO2(g)+O2(g) At equilibrium, 0.130 mol O2 is present. Calculate c.

a. At a certain temperature, 0.900 mol SO3 is placed in a 3.50 L container.

2SO3(g)2SO2(g)+O2(g)

At equilibrium, 0.130 mol O2 is present. Calculate c.

b.

Consider the reaction.

PCl5(g)PCl3(g)+Cl2(g)=0.042

The concentrations of the products at equilibrium are [PCl3]=0.26 M and [Cl2]=0.14 M.

What is the concentration of the reactant, PCl5, at equilibrium?

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