Consider the Following Reversible Reaction

question 56

Multiple Choice

Consider the following reversible reaction:
POCl₃(g) ⇌ POCl(g) + Cl₂(g) K_c = 0.450
The following initial amounts of reactants and products were mixed: [POCl₃] = 0.750 M,[POCl] = 0.550 M,and [Cl₂] = 0.150 M.What is the equilibrium concentration of POCl?

• A)0.395 M
• B)0.155 M
• C)0.740 M
• D)0.945 M
• E)0.360 M

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