C4 STOICHIOMETRY Flashcards
1
Q
One mole
A
is defined as the amount of substance having the same number of particles as there are atoms
in 12 g carbon-12.
2
Q
molar mass
A
is the mass of one mole of a substance measured in gmol-1
3
Q
concentration
A
is the number of moles of solute per cubic decimetre of solution.
4
Q
empirical formula
A
is the simplest whole-number ratio of atoms in a compound.
5
Q
molecular formula
A
is the formula that shows all the atoms in a compound.
6
Q
limiting reagent
A
is the reagent which is used up first during a chemical reaction.
7
Q
avagadros law
A
states that one mole of any gas occupies the same volume at the same temperature and
pressure.