Buffers are substances that help resist shifts in pH by
a) releasing to a solution when bases are added.
b) both donating to a solution when bases are added, and accepting H+ when acids are added.
c) releasing to a solution when acids are added.
d) donating to a solution when bases are added.
e) accepting from a solution when acids are added.
Answer: b) both donating to a solution when bases are added, and accepting H+ when acids are added.
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