mole concept Flashcards
(7 cards)
what is a mol
represents a fixed number of particles
6.02 x 10^23
represents the number of atoms in 12g of carbon 12 isotope
what is a mole defined by
using carbon 12 isotope because of its high abundance and stability
what is the other name for the mole concept
arogadro’s number or constant
define RAM
relative atomic mass is the average mass of one atom in an element compared to one twelfth the mass of an atom of carbon 12
basically mass number
has no units
define RMM
relative molecular mass is the average mass of one molecule of an element or compound compared to one twelfth the mass of an atom of carbon 12
has no units
used for covalent compounds
define RFM
relative formula mass is the average mass of one formula unit of a compound compared to one twelfth mass of the atom of carbon 12
has no units
used for ionic compounds