3.2 - Determination of formulae Flashcards
1
Q
Define the term molecular formula
A
A formula that shows the number and type of atoms of each element present in a molecule
2
Q
Define the term empirical formula
A
A formula that shows the simplest whole-number ratio of atoms of each element present in a compound
3
Q
Define the term relative molecular mass
A
The weighted mean mass of a molecule compared with 1/12 of the mass of an atom of carbon-12
4
Q
Define the term relative formula mass
A
The weighted mean mass of the formula of a compound compared with 1/12 of the mass of an atom of carbon-12
5
Q
What does hydrated mean?
A
A crystalline compound containing water molecules
6
Q
What does anhydrous mean?
A
Containing no water molecules
