Which statement about the H30+ concentration in an aqueous solution is FALSE?Group of answer choicesIn a solution with a pH of 10, the [OH-] is greater than the [H3O+] .A solution with a pH of 2 has 10 times the [H3O+] as a solution with a pH of 1.In pure water, the [H3O+] is equal to the [OH-}.In a solution with a pH of 3, the [H3O+] is greater than the [OH-].In a solution with a pH of 7, the [H3O+] is equal to the [OH-].
Question
Which statement about the H30+ concentration in an aqueous solution is FALSE?Group of answer choicesIn a solution with a pH of 10, the [OH-] is greater than the [H3O+] .A solution with a pH of 2 has 10 times the [H3O+] as a solution with a pH of 1.In pure water, the [H3O+] is equal to the [OH-}.In a solution with a pH of 3, the [H3O+] is greater than the [OH-].In a solution with a pH of 7, the [H3O+] is equal to the [OH-].
Solution
The false statement is: "A solution with a pH of 2 has 10 times the [H3O+] as a solution with a pH of 1."
This is incorrect because the pH scale is logarithmic, meaning each unit represents a tenfold difference in acidity. Therefore, a solution with a pH of 2 actually has 10 times less [H3O+] than a solution with a pH of 1, not more.
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