gravimetric analysis Flashcards
1
Q
process of gravimetric analysis
A
- add excess of one solution filter,
- dry by heating
- cool in desicator
- weigh
2
Q
what does ‘weigh accurately about 5g’ mean
A
5.01g but know the exact weight
3
Q
‘heating to constant mass’
A
- heat
- cool in desicator
- weigh on a cycle until mass does not change
4
Q
‘desicator’
A
allows hot crucibles to cool without absorbing water. (does not dry the compound)
5
Q
look at practice q from notes and try a practice one
A
.
