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- pH, or the negative log of the H3O+ (hydronium ion) concentration, is the measure of acidity or basicity of an aqueous solution.
Question 1:
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. a weak base such as ammonium hydroxide
B. a weak acid such as acetic acid
C. a strong acid such as sulfuric acid
D. a strong base such as sodium hydroxide solution
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