Why Do We Use the PH Scale to Indicate the Acidity

question 119

Multiple Choice

Why do we use the pH scale to indicate the acidity of a solution rather than simply stating the concentration of hydronium ions?

• A)It includes the concentration of hydronium and hydroxide ions.
• B)It is used because the general public understands it.
• C)It is more accurate to use the pH scale.
• D)It is more convenient,since the concentration of hydronium ions is so small.

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