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Which of the following best defines an acid?
An acid has a pH of 7.
An acid has hydroxide ions.
An acid has fewer positive ions in solution.
An acid has more hydrogen ions in solution.

Respuesta :

Answer: An acid has more hydrogen ions in solution.

Explanation: Acids increase hydrogen/hydronium ion concentration in a solution, have pH's less than seven, have a low hydroxide concentration, and increase positive ions in a solution.

Answer:

what the person above said j to make it easier it is D

Explanation: