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Titrations Practice

Terms in this set (16)

weak acid-strong base titration
pH >7 at equivalence point
weak acid titrated with a strong base
weak base-strong acid titration
pH < 7 at equivalence point
weak base titrated with a strong acid
pH = 7 at equivalence point
strong acid-strong base titration
half equivalence point (WA-SB titration)
pH = pKa
pKa
-log(Ka)
buffer zone
before equivalence point, where there are significant amounts of weak acid/conjugate base
dominant species is the conjugate base
why the pH at the equivalence point is >7 in a WA-SB titration
dominant species is the conjugate acid
why the pH at the equivalence point is <7 in a WB-SA titration
when moles weak acid = moles of conjugate base
half titration point
when moles weak acid > moles of conjugate base
pH < pKa
when moles weak acid < moles of conjugate base
pH > pKa
equivalence point
when moles of initial acid = moles of base added
endpoint
when the indicator turns color
best choice for indicator
indicator has pKa closest to the expected pH at the equivalence point
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