Chemistry

relative atomic mass
relative atomic mass = (% isotope1 / 100) + (% isotope2 / 100
1 of 10
relative formula mass
relative formula mass = sum of atomic masses of all elements in molecule / compound
2 of 10
concentration
concentration = mass / volume
3 of 10
moles
moles = mass / relative formula mass
4 of 10
number of particles
number of particles = moles x (6.02 x 10²³)
5 of 10
Rf value (retention factor)
Rf value = distance travelled by dye / distance travelled by solvent
6 of 10
concentration (2)
concentration = moles / volume
7 of 10
percentage yield (%)
percentage yield = (actual yield / theoretical yield) x 100
8 of 10
atom economy
atom economy = (relative formula mass useful product / Sum of relative formula masses of all reactants) x 100
9 of 10
energy change
energy change = Ʃ average bond energy of bonds broken - Ʃ average bond energy of bonds made
10 of 10

Other cards in this set

Card 2

Front

relative formula mass

Back

relative formula mass = sum of atomic masses of all elements in molecule / compound

Card 3

Front

concentration

Back

Preview of the front of card 3

Card 4

Front

moles

Back

Preview of the front of card 4

Card 5

Front

number of particles

Back

Preview of the front of card 5
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