Chapter 17 - Analysing water for acids and bases Flashcards
1
Q
what is an aliquot
A
the specific volume of substance delivered by a pipette
2
Q
what is a titre
A
the specific volume of substance delivered by a burette
3
Q
what is a pipette
A
instrument which draws up a specific volume of solution
4
Q
what is a burette
A
a tube with a tap that lets out a measurable volume of substance
5
Q
what is the end point
A
the point of the titration where the indicator has caused a permanent colour change of the solution
6
Q
what is the equivalence point
A
the point where there are correct stoichiometric amounts of each reactant in the solution.
7
Q
which instruments have to be rinsed with the solution they contain
A
burette and pipette as they are precision instruments. the rest with distilled water because exact measurements have already been determined
