Respuesta :
For two acids of equal concentration, the stronger acid has a higher concentration of hydronium ions which is denoted as option C.
What is an Acid?
This is a substance which reacts with a base to form a salt and examples include hydrochloric acid etc.
Acidic aqueous solutions contain the hydronium ion (H3O+) which makes it the most appropriate choice.
Read more about Acid here https://brainly.com/question/25148363
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