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Question
If x is the fraction of PCl5 dissociated at equilibrium in the reaction
\[\ce{PCl5 <=> PCl3 + Cl2}\]
then starting with 0.5 mole of PCl5, the total number of moles of reactants and products at equilibrium is
Options
0.5 – x
x + 0.5
2x + 0.5
x + 1
Solution
x + 0.5
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