What happens to the pH when a strong acid reacts with a strong base?
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A.
It becomes 7.
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B.
It becomes 1.
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C.
It becomes 1
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D.
It remains unchanged.
Correct Answer:
A. It becomes 7.
Explanation:
When a strong acid reacts with a strong base, a neutralization reaction occurs, typically producing water and a salt. Because both the acid and the base are strong, they fully dissociate in an aqueous solution, and their hydrogen and hydroxide ions combine to form neutral water. This process balances the acidity and alkalinity of the solution, resulting in a neutral pH of 7 at 25 degrees Celsius.
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