Respuesta :

Answer:

Hydronium ion

Explanation:

When acids are dissolved in water, the H+ ion reacts with H2O producing the H3O+ ion which is what makes the solution acidic

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Answer

hydronium  ion H3O+

Explanation:

chemical reactions that occur in aqueous solution, hydronium ion  is an important factor. the concentration of hydronium ion is used to measure the PH by comparing it with hydroxide. It can be formed when an acid is present in water or simply in pure water. It's chemical formula is H3O+

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