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Dilution of an acid or a base results in a decrease in the concentration of

Question
Dilution of an acid or a base results in a decrease in the concentration of
H3O+/OH- ions per unit volume
Only H3O+ ions
Only OH- ions
Neither ion
Answer
H3O+/OH- ions per unit volume
Detailed Explanation
Dilution increases the volume of the solution, decreasing the concentration of these ions per unit volume.
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