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10 questions from this quiz
Resist pH changes when acid/base added
The conjugate base (A−\text{A}^-A−)
Solution loses buffering capacity
Completely dissociate into ions
Excess weak acid and some alkali
To the left
Weak acid dissociates to restore H+\text{H}^+H+
When [HA] = [A−\text{A}^-A−]
[H+]=Ka×[HA][A−][\text{H}^+] = K_a \times \frac{[\text{HA}]}{[\text{A}^-]}[H+]=Ka×[A−][HA]
About 2 pH units total span
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