Equations Flashcards
1
Q
What equation links, mols, mass and relative atomic mass
A
mass = mols × mr
THINK MR MASSIVE MOLE
2
Q
What equations links volume, moles and concentration
A
Moles = concentration × volume
3
Q
What is Avogadro’s number
And what equation is it used in
A
6.02 × 10^23
Used in
Num of particles = moles × Avogadro’s constant
4
Q
Gas constant exuation
A
Pv =nrt
5
Q
Percentage yeild
A
Actual yield/ theoretical yield × 100
6
Q
percentage economy
A
Desired products/total reactants ×100
7
Q
Percentage
Uncertainty
A
Absolute Uncertainty / calcualted uncertenty
×100