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What is a buffer? A. a strong acid that keeps the pH low B. a strong base that keeps the pH high C. a very acidic substance D. a weak acid or base that keeps the pH from changing
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6 votes
What is a buffer?

A. a strong acid that keeps the pH low
B. a strong base that keeps the pH high
C. a very acidic substance
D. a weak acid or base that keeps the pH from changing

User Huskygrad
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1 Answer

8 votes
It’s D

Hope this helps!
User Tickon
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