The pH of an aqueous solution is an indication of the concentration of available protons.However, you should not expect to find lone protons in solution; rather, the proton is added to a water molecule to form a/an __________ ion.

Question

Quizplus · Accepted Answer

Protons in aqueous solution react with water molecules to form hydronium ions (H3O+). Therefore, the correct answer is D, hydronium ion.

The PH of an Aqueous Solution Is an Indication of the Concentration