1
Q
describe relative atomic mass
A
- avg mass of isotopes of an element
- compared to 1/12th mass of atom of C12
2
Q
define relative molecular mass
A
- sum of relative atomic masses
3
Q
what is a mole
A
- unit of amount of substance
4
Q
how many particles in 1 mole
A
6.02 * 10^23
5
Q
formula for moles
A
mass = mr moles
6
Q
volume of one mole of gas
A
24dm^3
