Mole topic terms Flashcards
1
Q
Mole
A
The relative formula/molecular mass of a subtance in grams
2
Q
Avogadro constant
A
The number of atoms, ions and molecules in one mole of a substance = 6 x 1023
3
Q
Relative formula mass = relative molecular mass
A
The sum of the relative atomic masses
4
Q
Relative atomic mass
A
The average mass of atoms of an element on a scale where a C12 atom is given exactly 12 units
5
Q
Empirical formula
A
Simplest whole number formula of a substance found in an experiment
6
Q
Molecular formula
A
Chemical formula that shows the number and kinds of atoms in a molecule
7
Q
Molar mass
A
The mass of 1 mole of a substance
8
Q
Molarity
A
Concentration of a solution in g/dm3
9
Q
Percentage yield
A
A measure of the proportion of the theoretically expected quantity of a product that has been formed
