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Chemical equilibrium 01 Chemical equilibrium #Reaction Quotient

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For H₂(g) + I₂(g) ⇌ 2HI(g), if [H₂] = 0.2 mol L⁻¹, [I₂] = 0.2 mol L⁻¹, and [HI] = 0.6 mol L⁻¹, what is Qc?

Verified Answer & Explanation⌄

Correct Answer: C) 9

Concept Explanation

Qc = [HI]²/([H₂][I₂]) = 0.6²/(0.2 × 0.2) = 9.

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