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Science Bowl Question

📅 NSB 2011🎓 HS🔄 Round 9#️⃣ Q9🌟 Bonus✍️ Short Answer

Consider the following equilibrium reaction, PCl5(gas) <-> PCl3(gas) + Cl2(gas). If a 2 mole sample of PCl5 dissociates to give 0.2 moles of Cl2 at equilibrium, find the molar amounts, to the 1st decimal place, of PCl5 at equilibrium:

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