Question
Suppose the pH of a solution decreases by 8 . How does the hydrogen ion concentration change?
The new hydrogen ion concentration is
(Use scientific notation. Use the multiplication symbol in the math palette as needed.)
Does the change make the solution more acidic or more basic?
The solution is more because the pH has gone
The new hydrogen ion concentration is
(Use scientific notation. Use the multiplication symbol in the math palette as needed.)
Does the change make the solution more acidic or more basic?
The solution is more because the pH has gone
Ask by Peterson Watkins. in the United States
Mar 12,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The hydrogen ion concentration increases by a factor of
Solution
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The pH of a solution is defined as
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A decrease in pH by 8 means the new pH is
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Since pH is a logarithmic measure of the hydrogen ion concentration, a decrease of 1 unit in pH corresponds to a tenfold increase in the hydrogen ion concentration. Therefore, a decrease of 8 units corresponds to an increase by a factor of
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In scientific notation, the new hydrogen ion concentration is
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A decrease in pH indicates that the hydrogen ion concentration has increased, thereby making the solution more acidic.
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Simplify this solution Beyond the Answer
When the pH of a solution decreases by 8, the hydrogen ion concentration increases significantly since the pH scale is logarithmic. For each unit decrease in pH, the hydrogen ion concentration increases tenfold. Thus, a decrease of 8 pH units corresponds to an increase in hydrogen ions by a factor of
The solution becomes more acidic because a decrease in pH indicates an increase in the concentration of hydrogen ions (H⁺). The lower the pH, the more acidic the solution is; hence, this significant drop of 8 units confirms that the solution is indeed more acidic.
