Suppose a 250 mL flask is filled with 1.3 mol of Cl₂, 0.40 mol of HCl, and 0.80 mol of CCl₄. The following reaction becomes possible: Cl₂(g) + CHCl₃(g) ⇌ HCl(g) + CCl₄. What is the reaction quotient Qc for this reaction?