EQUATIONS Flashcards
1
Q
Volume of gas =
A
(Mass of Gas / Mr of Gas) x 24
2
Q
Moles =
A
Mass / Mr
3
Q
Percentage mass of an element in a compound =
A
((Ar x Number of atoms) / Mr) x 100
4
Q
Concentration =
A
Mass of solute / volume of solvent
5
Q
Number of moles =
A
Concentration x Volume
6
Q
Atom economy =
A
(Relative formula mass of desired product / relative formula mass of all reactants) x 100
7
Q
Percentage yield =
A
(Mass of product made / Maximum theoretical mass of product) x 100
8
Q
Factor H+ ion concentration changes by =
A
10^-x
9
Q
Uncertainty =
A
Range / 2
10
Q
Rf value =
A
Distance travelled / Solvent front
11
Q
Surface area to volume ratio =
A
Surface area / Volume
