What is TRUE about a solution whose pH is less than 7?
A) It has a hydronium ion concentration less than 1 × 10−7.
B) It has a hydronium ion concentration that is higher than pure water itself.
C) It has a hydroxide ion concentration equal to its hydronium ion concentration.
D) It is a solution that requires a buffer.
E) It is a basic solution.
Correct Answer:
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