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For the following reactions, equilibrium constants are given - S(s) + O 2 (g) SO 2 (g); K 1 = 10 52 2S(s) + 3O 2 (g) 2SO 3 (g); K 2 = 10 129 The equilibrium constant for the reaction, 2SO 2 (g) + O 2 (g) 2SO 3 (g) is

1. 10 154
2. 10 181
3. 10 25
4. 10 77

Correct answer: 10 25

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