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Question

Which of the following is true regarding an acidic solution?

A
[H+] equals zero
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B
[OH] equals [H+]
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C
[H+] is less than [OH]
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D
[H+] is greater than [OH]
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E
Kw=1×107
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Solution

The correct option is D [H+] is greater than [OH]
If the pH of a solution is less than 7, the solution is called acidic; if the pH is about 7, the solution is neutral; if the pH is greater than 7, the solution is is called basic. In an acidic solution, then, the concentration of hydrogen ions is greater than the concentration of hydroxide ions.In a neutral solution, the concentrations of hydrogen ions and hydroxide ions are roughly equal. In a basic solution, the concentration of hydroxide ions is greater than the concentration of hydrogen ions.
The ionic product of water Kw=1×1014


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