Empirical Formula Flashcards
1
Q
Empirical formula definition
A
The simplest whole number ratio of atoms of each element in the compound
2
Q
How to work out empirical formula
A
1)fill out any given numbers
2)Work out ar
3)work out mol
4)find ratio by diving
large number by small number
5)Ratio = no of atoms in
empirical formula
Ratio times no of atoms = molecular
formula
3
Q
How to work out molecular formula
A
1)find Mr of empirical formula
2)divide mr (molecular) by mr (empirical)
3)times no of atoms by that answer
