2.1.3 Amount of substance (moles) Flashcards
1
Q
unit for molar mass
A
g mol-1 (ie. mass per mole)
2
Q
unit for molar gas volume
A
dm3 mol-1 (gas volume per mole)
3
Q
Avogadro’s constant
A
how many atoms there are per mole of carbon-12 isotope (6.02 x 10^23 mol-1)
4
Q
percentage error =
A
total uncertainty/ value measures x100