pH, or the negative log of the H3O+ (hydronium ion) concentration, is the measure of acidity or basicity of an aqueous solution. Which solution would have the lowest pH at room temperature?
- a weak base such as ammonium hydroxide
- a weak acid such as acetic acid
- a strong acid such as sulfuric acid
- a strong base such as sodium hydroxide solution
Answer
The correct answer is C) a strong acid such as sulfuric acid.
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