Equations Flashcards
1
Q
What is the relative formula mass?
A
All the atoms in its formula added together
2
Q
Formula for relative atomic mass
A
Relative atomic mass (Ar) =total mass of all atoms/100
3
Q
Formula for rf?
A
Rf= distance that substance has traveled (B)/distance that solvent has traveled (A)
4
Q
Equation for concentration?
A
Concentration= amount of substance (mass)/volume
5
Q
Avogadro number
A
Number of particles (atoms/molecules)/mole =6.022 x10 to the power of 23
6
Q
An x moles =
A
An x moles =number of particles (atoms/molecules)
7
Q
Equation for moles
A
Moles =mass/Mr
8
Q
Gradient
A
Gradient = change in y divided by change in x
