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Like dissolves like.

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βˆ™ 13y ago
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βˆ™ 6mo ago

SO3 reacts with water to form sulfuric acid, which then dissolves in water. This reaction is highly exothermic and produces a lot of heat. Therefore, SO3 is not directly soluble in water but dissolves in sulfuric acid, which acts as a solvent for it.

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Q: Why is SO3 insoluble in water but soluble in sulphuric acid?
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