Chapter 10- Chemical Calculations

Solution of unknown concentration

________ is introduced in a conical flask using a pipette.

Titration

Laboratory method of quantitative chemical analysis to determine the concentration of an identified analyte.

Titrant

Substance (such as a reagent solution of precisely known concentration) that is added in titration.

End-point

The point in titration where the indicator completely changes colour and the process is stopped.

pH Indicator

A liquid added to a solution to determine the pH of the solution.

Percentage yield

Measure of the quantity of moles of a product formed in relation to the reactant consumed, obtained in a chemical reaction.

Percentage purity

The percent of a specified compound or element in an impure sample.