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2so2(g)+o2(g)→2so3(g)

Part a how many grams of so2 are in the vessel? Express your answer using two significant figures. For 2so2(g)+o2(g)⇌2so3(g), kp=3. 0×104 at 700 k. Correct option is b) for the reaction, 2so 2(g)+o 2(g)→2so 3(g), in this case, there are 2 moles of a gas on the product side and 3 moles of gas on the reactant side.