titration Flashcards
1
Q
what do we use to work out the concentration of the acid
A
- we know the volume and conc. of the alkali
- we know how much is needed to neutralise the acid
- we need to know the volume of the acid
2
Q
how much sodium hydroxide should we add to the conical flask
A
-25cm3 of sodium hydroxide to the conical flask–pipette
3
Q
what do we need to do to see the colour change more clearly
A
place the conical flask on the white tile
4
Q
what do we use to put the sulfuric acid in
A
a burette
5
Q
when do you stop adding acid
A
until it is neutral
6
Q
what is it important to do when reading from the burette
A
read from the bottom of the meniscus
