Quantitive Chemistry Flashcards
1
Q
Empirical formula
A
Formula which shows the simplest whole number ratio of atoms of each element in a compound
2
Q
Molecular formula
A
Formula which shows the actual number of atoms of each element in a molecule
- can only be found if empirical formula and relative molecular mass of compound are known
3
Q
What do you need to find the molecular formula?
A
- can only be found if empirical formula and relative molecular mass of compound are known
4
Q
Number of moles
A
Mass
——-
Mr
5
Q
the Avogadro Constant
A
A mole contains 6 × 1023 particles, a number known as the Avogadro Constant
