Henderson-Hasselbalch ·
pH = pKa + log([A⁻]/[HA])
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pH
7.4
[A⁻]/[HA]
1:1
State
—
pKa (fixed property)
HA (weak acid)
A⁻ (conjugate base)
Half-eq point (pH=pKa)
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.com · Henderson-Hasselbalch Equation