Question

draw the structure of the stable positive Ion formed when an acid dissolves in water

Answer 1

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Answer 2

Each oxygen has lone pair. The electron pairs are pull away from the oxygen towards the 3+ ion. The electron of hydrogen pairs with lone pair of oxygen to form O-H bond

$H^{+}$ + $H_{2}$  O⇒ $H_{3}$ $O^{+}$

Hydronium ions