Titration Flashcards
1
Q
Percentage error=
A
( how many times I used the apparatus X the precision) / actual value
2
Q
How to write conclusion?
A
Reading 1 and 2 are within 0.1 cm3 difference of each other, the readings are consistent and reliable;
Titrate was added drop-wise near the end point;
Titrant was added drop-wise near the end point
3
Q
Recording of titration results
A
Titration no
Final burette reading
Initial burette reading
Volume of X added
Colour change
4
Q
In Gravimetric analysis, how to ensure that the reaction had completed?
A
Measure the mass of the residue until constant mass is achieved
5
Q
In gravimetric analysis, how to calculate n?
A
No of moles of H2O / no of moles of XY
6
Q
[mol dm-3] -> [g dm-3]
A
x Mr
