Answer:
1+
Explanation:
When a hydrogen cation reacts with a molecule of water, it forms a hydronium cation, according to the following reaction.
H⁺(aq) + H₂O(l) → H₃O⁺
Each hydrogen atom has charge of +1, while the oxygen atom has a charge of 2-. The net charge of the hydronium ion is:
3.(H) + 1.(O) = 3.(1+) + 1.(2-) = 3 - 2 = 1+
The charge of the hydronium ion is 1+.
