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Weak Acid-Strong Base Titrations definitions

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  • Weak Acid
    A proton donor that only partially dissociates in water, resulting in a solution with both undissociated molecules and ions.
  • Strong Base
    A substance that completely dissociates in water, producing a high concentration of hydroxide ions.
  • Analyte
    The chemical species in a titration whose concentration is being determined by reaction with a titrant.
  • Titrant
    A solution of known concentration added to react with the analyte during a titration.
  • Equivalence Point
    The stage in titration where the amount of titrant added exactly reacts with the analyte, resulting in stoichiometric balance.
  • ICE Chart
    A table used to track initial, change, and equilibrium concentrations or moles in a chemical reaction, especially for weak acids or bases.
  • ICF Chart
    A table used to track initial, change, and final moles during reactions involving strong acids or bases, focusing on limiting reactants.
  • Buffer System
    A mixture of a weak acid and its conjugate base that resists changes in pH upon addition of small amounts of acid or base.
  • Henderson-Hasselbalch Equation
    A formula relating pH, pKa, and the ratio of conjugate base to weak acid, useful for buffer calculations.
  • Conjugate Base
    The species formed when a weak acid donates a proton, capable of accepting a proton in reverse reactions.
  • Ka
    The equilibrium constant for the dissociation of a weak acid, indicating its strength in water.
  • Kb
    The equilibrium constant for the dissociation of a weak base, calculated from Kw and Ka for conjugate pairs.
  • pOH
    A measure of hydroxide ion concentration, calculated as the negative logarithm of [OH−] in solution.
  • Half Equivalence Point
    The stage in titration where half the analyte has reacted, resulting in equal concentrations of weak acid and conjugate base.
  • Limiting Reactant
    The reactant that is completely consumed first in a reaction, determining the maximum amount of product formed.