ekvivalensipisteellä

Ekvivalenssipisteellä is a Finnish term that translates to "at the equivalence point" in English. It is a concept primarily used in chemistry, specifically in titration experiments. The equivalence point is the theoretical point in a titration where the amount of titrant added is exactly enough to react completely with the analyte. In simpler terms, it's the point where the moles of the titrant are stoichiometrically equal to the moles of the analyte present in the solution.

During a titration, a solution of known concentration, called the titrant, is gradually added to a solution containing the substance to be analyzed, called the analyte. The reaction between the titrant and analyte proceeds until the equivalence point is reached. At this specific point, the chemical reaction is complete, and no excess of either reactant remains unreacted.

Identifying the equivalence point is crucial for determining the concentration of the analyte. This is typically achieved by observing a physical change, such as a color change indicated by an indicator, or by monitoring electrical properties like pH or conductivity. The volume of titrant added to reach the equivalence point, combined with the known concentration of the titrant and the stoichiometry of the reaction, allows for the calculation of the analyte's concentration. The term "ekvivalenssipisteellä" signifies that the titration has reached this precise stage of complete reaction.