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what is buffer?
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snur001

by snur001 at February 05, 2011

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a buffer helps keep the pH of a substance constant- bicarbonate in blood keeps it a steady level it is a buffer for blood
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GURUKID GURUKID February 05, 2011

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what they said bellow
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What_ok What_ok February 05, 2011

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Buffers are weak acids or bases that can absorb hydrogen or hydroxides in reversible reactions.  By "weak", I mean that the buffer does not dissociate very well.  The equilibrium of these reactions shifts so the pH of the solution is kept within a narrow range.
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kroo_jteague kroo_jteague February 05, 2011

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What the people said below.
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ChromeRedCat ChromeRedCat February 05, 2011

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minimize drastic pH changes
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azngk azngk February 06, 2011

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"James had it right when he said "Buffers are weak acids or bases that can absorb hydrogen or hydroxides in reversible reactions. By "weak", I mean that the buffer does not dissociate very well. The equilibrium of these reactions shifts so the pH of the solution is kept within a narrow range.
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ltrunner ltrunner February 06, 2011

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