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AP Chemistry Unit 8 Practice Test 2026 Acids And Bases

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A buffer at pH 5.32 is prepared from a weak acid with a pK a = 5.15. If 100 mL of this buffer is diluted to 200 mL with distilled water, what is the pH of the dilute solution?
Correct Answer:
5.32
Explanation:
Correct answer: 5.32

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