Chem 105 aqueous equilibria

determination of unknown concentration of a solute via reaction with known concentration of a 2nd solute

• Titration

• Acid/base titration

• Titrant

• Analyte

• Equivalence point

performs neutralization reaction

• Titration

• Acid/base titration

• Titrant

• Analyte

• Equivalence point

the solution of known conc, slowly added

• Titration

• Acid/base titration

• Titrant

• Analyte

• Equivalence point

the solution you’re analyzing, to find its conc

• Titration

• Acid/base titration

• Titrant

• Analyte

• Equivalence point

the point at which just enough titrant, and no more, has been added to complete the reaction

• Titration

• Acid/base titration

• Titrant

• Analyte

• Equivalence point

the point at which an indicator changes color, chosen to be close to the equivalence point

• End point

• indicator

• Titration curve

• pH = 7

is a 3rd solute (usually another acid or base) that marks the end point of a titration by changing color

• End point

• indicator

• Titration curve

• pH = 7

a plot of pH as a function of volume of standard solution

• End point

• indicator

• Titration curve

• pH = 7

The equivalence point of an acid/base titration is not always when _____

• End point

• indicator

• Titration curve

• pH = 7

Weak Polyprotic Acids/bases Titrated by a Strong Base/acid will have multiple ________ ____