Question

What is a hydronium ion ? How is it formed ?
​

Answer 1

Answer:

It can be formed when an acid is present in water or simply in pure water. It's chemical formula is H3O+. It can also be formed by the combination of a H+ ion with an H2O molecule. The hydronium ion has a trigonal pyramidal geometry and is composed of three hydrogen atoms and one oxygen atom.

Step-by-step explanation:

Follow Me...❤❤❤

Answer 2

Answer:

=>> Hydronium ion is a water molecule with an extra hydrogen ion attached to it. ( H2O + H+→ H3O+). It usually used to determine the acidity of a chemical compound. ... It is formed by the combination of hydrogen ion H+ given by an acid and water molecule.

brainliest please ^_^