缓冲液 英文 急At what point in the concentration of the weak acid or conjugate base does the buffer solution stop resisting a pH change when strong acid is added?

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缓冲液 英文 急
At what point in the concentration of the weak acid or conjugate base does the buffer solution stop resisting a pH change when strong acid is added?

when [acid]/[base]>10 (edge of the buffer zone),the buffer solution stops resisting a pH change when strong acid is added

当强酸加进弱酸或者共轭碱的缓冲液中，在哪一点PH值会停止增长？