The mole concept Flashcards
1
Q
Define Relative atomic mass, Ar
A
The ratio of the average mass of one atom to the naturally occurring atom to 1/12 of the mass of the carbon-12 atom
2
Q
Define Relative formula mass, Mr
A
The sum of all the relative atomic masses of all atoms present In a molecule or compound
3
Q
What is a Mole
A
A number equal to 6.022x10*23 particles
4
Q
What is meant by the term empirical formula
A
A chemical formula that shows the simple whole-number ratio in an atom
5
Q
What is a molecular formula?
A
A chemical formula that shows the total kinds and number of atoms in a molecule
6
Q
Define concentration
A
mass per volume/mole per volume