How do buffers work to maintain pH?

1 Answer
anor277
Feb 4, 2017

#pH=pK_a+log_10{([A^-])/([HA])}#

Explanation:

See this [older answer.](https://socratic.org/questions/how-do-buffers-maintain-ph) You should review your understanding of the #"logarithmic function"#, because this is crucial in understanding how the equation works.

Biological systems are extensively buffered, and in a buffer, the #pH# of the solution remains tolerably close the to the #pK_a# of the original acid.

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