Gravimetric Analysis Flashcards
1
Q
Calculation of weight of a substance in a sample from the weight of a chemically equivalent amount of some other substances.
A
Gravimetric Methods
2
Q
Methods of separation in Gravimetry
A
Physical Method
Chemical method
3
Q
The substance to be measured gravimetrically is separated from other substance composing the sample
A
Physical Method
4
Q
Employed when other componenets of the sample are cannot be separated physically
A
Chemical Method
5
Q
The molecular weight of the sample proportionate to the molecular weight of residue or precipitate obtained from it
A
Gravimetric Factor/Chemical Factor
6
Q
Gravimetric Factor Formula
A
MW of sample/MW of Residue
7
Q
Gravimetric Analysis Formula
A
g residue / g sample * MW sx / MW residue x 100
