moles Flashcards
1
Q
what is avogrados number
A
6.02 x 10 to the power of 23
2
Q
with the Ar of carbon being 12
and the Ar of Oxygen being 16
work out the Mr of CO2
A
12 + ( 16 x 2) = 44
3
Q
what is the symbol for relative atomic mass
A
Ar
4
Q
what is the symbol for relative formula mass
A
Mr
5
Q
what is the equation for moles
A
Moles = Mass / Mr