AP Chemistrymediummcq1 pt

For the reaction 2SO₂ + O₂ ⇌ 2SO₃, equilibrium concentrations are [SO₂] = 0.10 M, [O₂] = 0.050 M, [SO₃] = 0.40 M. What is K?

A.320
B.80
C.3.2 × 10⁵
D.0.0031

Explanation

Core Concept

K = [SO₃]²/([SO₂]²[O₂]) = 0.40² ÷ (0.10² × 0.050) = 0.16 ÷ 0.0005 = 320.

Correct Answer

A320

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