The acid formed by hydration of sulfur dioxide is....?

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The acid formed by hydration of sulfur dioxide is....?

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Answer 1 · 2016-01-30T10:23:18

Is sulfurous acid, formally $H_{2} S O_{3}$ $H_2SO_3$ .

Explanation:

You can still see these elaborate glass bubblers gathering dust in old laboratories that were expressly for this purpose.

$S O_{2} (g) + H_{2} O (l) \to H_{2} S O_{3} (a q)$ $SO_2(g) + H_2O(l) rarr H_2SO_3(aq)$

This sulfurous acid is saturated $S O_{2} (a q)$ $SO_2(aq)$ , i.e. $S O_{2} \cdot H_{2} O$ $SO_2*H_2O$ . This is still an acidic oxide that may be reacted (and titrated) with hydroxide ion.

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The acid formed by hydration of sulfur dioxide is....?

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