Question

what is h3o+??????????​

Answer 1

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Hydronium

hydronium is the common name for the aqueous cation H₃O⁺, the type of oxonium ion produced by protonation of water. It is often viewed as the positive ion present when an Arrhenius acid is dissolved in water, as Arrhenius acid molecules in solution give up a proton to the surrounding water molecules. Wikipedia

Answer 2

Answer:

In chemistry, hydronium is the common name for the aqueous cation H₃O⁺, the type of oxonium ion produced by protonation of water. It is often viewed as the positive ion present when an Arrhenius acid is dissolved in water, as Arrhenius acid molecules in solution give up a proton to the surrounding water molecules.